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Contents
- The climate of Biratnagar
- The best time to visit Biratnagar
- The worst time to visit Biratnagar
- Spring weather in Biratnagar
- Summer weather in Biratnagar
- Autumn weather in Biratnagar
- Winter weather in Biratnagar
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Climate and monthly weather forecast
The climate of Biratnagar
Biratnagar, located in Nepal, falls under the Humid subtropical, dry winter category of the Köppen climate classification. Classified as "Cwa," this designation implies that significant precipitation is seen in this region, a fact evident especially during the monsoon season. Across the course of the year, climate parameters such as temperature, humidity, rainfall, and sunshine hours demonstrate specific trends unique to Biratnagar.
Throughout the year, this locale experiences a wide range of temperatures between 12.8°C (55°F) and 36.8°C (98.2°F). The climate takes on a cooler demeanor from December to February, with temperatures bottoming out in January to a minimum of 12.8°C (55°F). From there, conditions slowly warm up, peaking at 36.8°C (98.2°F) in April. It's not uncommon for the temperature to teeter upwards of 35°C (95°F) during the months spanning from May to August.
Regarding precipitation patterns, Biratnagar sees the most rainfall during the summer months with peak rainfall of 299mm (11.77") in July. Conversely, the city witnesses its driest time from November to February, with February being the driest month, recording just 1mm (0.04") of rainfall. The number of rainy days per month also fluctuates significantly, peaking at 24.3 days in July and dropping to a mere 1.4 in November. Amidst all this, relative humidity tends to hover between 51% and 74%, reaching its maxima in the monsoon months.
Throughout the year, this locale experiences a wide range of temperatures between 12.8°C (55°F) and 36.8°C (98.2°F). The climate takes on a cooler demeanor from December to February, with temperatures bottoming out in January to a minimum of 12.8°C (55°F). From there, conditions slowly warm up, peaking at 36.8°C (98.2°F) in April. It's not uncommon for the temperature to teeter upwards of 35°C (95°F) during the months spanning from May to August.
Regarding precipitation patterns, Biratnagar sees the most rainfall during the summer months with peak rainfall of 299mm (11.77") in July. Conversely, the city witnesses its driest time from November to February, with February being the driest month, recording just 1mm (0.04") of rainfall. The number of rainy days per month also fluctuates significantly, peaking at 24.3 days in July and dropping to a mere 1.4 in November. Amidst all this, relative humidity tends to hover between 51% and 74%, reaching its maxima in the monsoon months.
The best time to visit Biratnagar
The ideal time to visit Biratnagar would be in the spring months from March to May. During this period, the city presents a temperate climate with average temperature ranging from 19.8°C (67.6°F) to 24.3°C (75.7°F) at night and cresting to a warm but bearable 33.2°C (91.8°F) to 36.8°C (98.2°F) during the day. With clear skies for the majority of the days and rainfall staying below 22mm (0.87"), visitors can freely explore the city's attractions without undue weather hindrances.
The worst time to visit Biratnagar
Travelers might want to avoid planning a trip to Biratnagar during the monsoon season, specifically from June to August. Over this phase, the increased rain intensity culminates into an average downfall of 133mm (5.24") to 299mm (11.77"), making it the wettest time of the year. The humidity adds to the discomfort, peaking at approximately 74%. The temperatures, although not extremely high (ranging from 27.4°C (81.3°F) at night to 35.8°C (96.4°F) during the day), can be oppressive when combined with high humidity.
Spring weather in Biratnagar
Spring graces Biratnagar with a delightful climate. Between March and May, the city records moderate temperatures as well as a reasonable amount of sunshine. Days experience around 11.7hrs to 13.4hrs of sunlight, while temperatures vary from a nighttime low of 19.8°C (67.6°F) - 24.3°C (75.7°F) to a daytime high of 33.2°C (91.8°F) - 36.8°C (98.2°F). It's worth noting that during this time, rainfall remains under control, only reaching 8mm (0.31") to 22mm (0.87") of precipitation.
Summer weather in Biratnagar
The summer season in Biratnagar is characterized by a hot and humid climate. Kicking off in June and wrapping up in August, this period witnesses the highest levels of rainfall. There is moderate heat with lows around 26.4°C (79.5°F) to 27.4°C (81.3°F) and highs approaching 35.8°C (96.4°F) in June, followed by a drop to 33.4°C (92.1°F) by August. The amount of sunshine also decrease to approximately 10.6hrs - 9hrs amidst the monsoon.
Autumn weather in Biratnagar
Transitioning into Autumn, Biratnagar moves towards a more moderate climate from September to November. Temperatures fall from a daytime peak of 32.9°C (91.2°F) in September to a more relaxed 28.5°C (83.3°F) by November, while nighttime temperatures also drop from 25.4°C (77.7°F) to 18°C (64.4°F) over this period. In tandem, the rainfall also reduces from 123mm (4.84") in September to just 1mm (0.04") in November, making outdoor activities more enjoyable for inhabitants and travelers alike.
Winter weather in Biratnagar
When winter rolls into Biratnagar from December to February, it brings with it a chill atmosphere. Temperatures during this time lapse from a high of 25.1°C (77.2°F) in December to a cooler 24°C (75.2°F) in February during the day and hovers from 14.9°C (58.8°F) to a cool 12.8°C (55°F) at night. The city experiences little to no precipitation, with rainfall amounts of 2mm (0.08") to 3mm (0.12"), implying most winter days are dry and crisp. At the same time, the amount of daylight and sunshine also dips down to 10.5hrs - 10.7hrs and 7.4hrs - 7.5 hrs respectively.
Weather in January
Biratnagar, Nepal, welcomes the New Year with mildly cool days and chilly nights. The weather sees a relative humidity of 51% and gentle breezes of about 7.7km/h (4.8mph). The presence of clouds is minimal, with a reported 10% cloud cover. Weather in January »
Weather in February
As Nepal transitions to spring, the weather in Biratnagar sees a mild increase in temperatures. Daylight increases, offering longer days to explore this vibrant city. Compared to January, the rainfall slightly increases to 9mm (0.35"), however, these events are infrequent, maintaining the vibrance of the city. Weather in February »
Weather in March
Biratnagar experiences a significant transformation in its weather pattern during March. With the temperature climbing to 33.2°C (91.8°F), it is noticeable that the city is moving toward the heat of the summer season. Along with warmer temperatures, March brings longer daylight hours, reaching 12 hours. Weather in March »
Weather in April
With the arrival of April, Biratnagar witnesses a peak in its daytime temperatures and a surge in humidity levels. Ironically, the city also experiences a significant increase in rainfall with 22mm (0.87") of precipitation. Nevertheless, the city basks in sunshine for almost 11.7 hours, indicating longer days. Weather in April »
Weather in May
May marks the beginning of the hot season in Biratnagar. The city's landscape is transformed with bright sunshine illuminating the streets for up to 13.4 hours a day. This month brings the highest rainfall of the year with 74mm (2.91"), indicating the onset of the monsoon. Weather in May »
Weather in June
June in Biratnagar registers the highest temperature of the year at 35.8°C (96.4°F), along with the highest level of humidity at 65%. Interestingly, despite the heat, this month records an impressive 133mm (5.24") of rainfall. Experiencing the most significant rainfall for the summer, June can be characterized as hot and wet. Weather in June »
Weather in July
Biratnagar continues to witness heavy rainfall in July, summing up to 299mm (11.77") in total. Given the month's elevated levels of humidity at 74%, it is apparent that the monsoon is in full swing. Despite the high rainfall, the city's temperature remains high at 33.4°C (92.1°F), showcasing the month as a season of extremes. Weather in July »
Weather in August
August sees Biratnagar revel in the peak monsoon season with 169mm (6.65") of rainfall and a high relative humidity of 73%. Notably, this month experiences a slight moderation in temperature, adding comfort to the weather amidst the rains. Weather in August »
Weather in September
As monsoon season begins to fade, September in Biratnagar reveals a decrease in rainfall to 123mm (4.84"). The temperature comes down further, providing a much-needed reprieve from the preceding scorching months. Predominantly, the weather is warmer, with the sun casting its glow for about 9.7 hours in a day. Weather in September »
Weather in October
October brings substantial relief from the rains, curtailing the precipitation to a mere 29mm (1.14"), marking the end of monsoon season in Biratnagar. This month bears witness to crisp, clear days, rendered even more enchanting with ten hours of daily sunshine on average. Weather in October »
Weather in November
Biratnagar sees a drop in temperature through November's days and nights, signalling the onset of cooler weather. With November, the rainfall decreases to an almost insignificant 1mm (0.04"), vividly highlighting the cityscape. Weather in November »
Weather in December
The final month of the year witnesses the arrival of winter in the city of Biratnagar. Daily sunshine hours decrease to around 7.5, matching the shorter days of winter. Rainfall remains at a minimal 2mm (0.08"), offering clear days and chilly nights. Weather in December »
Updated: Jan 27, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest in Biratnagar?
Temperature readings in Biratnagar, Nepal, reach their annual highs in January, averaging 24°C (75.2°F) and a minimum average of 12.8°C (55°F).
How much does it rain in Biratnagar?
In Biratnagar, during the entire year, the rain falls for 128.5 days and collects up to 872mm (34.33") of precipitation.
What is the month with the least sunshine in Biratnagar?
With an average of 7.4h of sunshine, January has the least sunshine of the year.
What is the month with the lowest UV index in Biratnagar?
January and December, with an average maximum UV index of 5, are months with the lowest UV index in Biratnagar.
What is the least humid month in Biratnagar?
March is the least humid month in Biratnagar, with an average relative humidity of 33%.
What month is the hottest in Biratnagar?
Biratnagar notes the warmest temperatures in April, with a average high of 36.8°C (98.2°F) and a low of 24.3°C (75.7°F).
What month has the most sunshine in Biratnagar?
With an average of 11.7h of sunshine, April has the most sunshine of the year.
When is the highest UV index in Biratnagar?
With an average maximum UV index of 8, May is the month with the highest UV index in Biratnagar.
When are the longest days in Biratnagar?
With an average of 13h and 48min of daylight, June has the longest days of the year in Biratnagar.
What is the most humid month in Biratnagar?
July and September, with an average relative humidity of 74%, are most humid months in Biratnagar, Nepal.
What is the wettest month in Biratnagar?
The month with the most rainfall in Biratnagar is July, when the rain falls for 24.3 days and typically aggregates up to 299mm (11.77") of precipitation.
What is the driest month in Biratnagar?
The month with the least rainfall in Biratnagar, Nepal, is November, when the rain falls for 1.4 days and typically collects 1mm (0.04") of precipitation.
What is the month with the shortest days in Biratnagar?
December has the shortest days of the year in Biratnagar, Nepal, with an average of 10h and 30min of daylight.
Is there Daylight Saving Time (DST) in Biratnagar?
Biratnagar, Nepal, does not utilize Daylight Saving Time (DST). +0545 timezone is used throughout the entire year.
Average temperature
Biratnagar, Nepal
The warmest month (with the highest average high temperature) is April (36.8°C).
The month with the lowest average high temperature is January (24°C).
The month with the highest average low temperature is June (27.4°C).
The coldest month (with the lowest average low temperature) is January (12.8°C).
Average pressure
Biratnagar, Nepal
- Average pressure in January:
1016.2mbar - Average pressure in February:
1014.4mbar - Average pressure in March:
1011.6mbar - Average pressure in April:
1008.5mbar - Average pressure in May:
1005.8mbar - Average pressure in June:
1002.1mbar
- Average pressure in July:
1002mbar - Average pressure in August:
1003.6mbar - Average pressure in September:
1006.9mbar - Average pressure in October:
1011.6mbar - Average pressure in November:
1014.2mbar - Average pressure in December:
1015.6mbar
The month with the highest atmospheric pressure is January (1016.2mbar).
The month with the lowest atmospheric pressure is July (1002mbar).
Average wind speed
Biratnagar, Nepal
- Average wind speed in January:
7.7km/h - Average wind speed in February:
9km/h - Average wind speed in March:
10km/h - Average wind speed in April:
12.1km/h - Average wind speed in May:
12.4km/h - Average wind speed in June:
11.8km/h
- Average wind speed in July:
12.2km/h - Average wind speed in August:
9.9km/h - Average wind speed in September:
8.6km/h - Average wind speed in October:
6.9km/h - Average wind speed in November:
6.5km/h - Average wind speed in December:
6.9km/h
The windiest month (with the highest average wind speed) is May (12.4km/h).
The calmest month (with the lowest average wind speed) is November (6.5km/h).
Average humidity
Biratnagar, Nepal
The months with the highest relative humidity are July and September (74%).
The month with the lowest relative humidity is March (33%).
Average rainfall
Biratnagar, Nepal
The wettest month (with the highest rainfall) is July (299mm).
The driest month (with the least rainfall) is November (1mm).
Average rainfall days
Biratnagar, Nepal
- Average rainfall days in January:
2.2 days - Average rainfall days in February:
1.9 days - Average rainfall days in March:
3.8 days - Average rainfall days in April:
8.8 days - Average rainfall days in May:
16.8 days - Average rainfall days in June:
21.2 days
- Average rainfall days in July:
24.3 days - Average rainfall days in August:
21.3 days - Average rainfall days in September:
18.5 days - Average rainfall days in October:
6.8 days - Average rainfall days in November:
1.4 days - Average rainfall days in December:
1.5 days
The month with the highest number of rainy days is July (24.3 days).
The month with the least rainy days is November (1.4 days).
Average daylight / Average sunshine
Biratnagar, Nepal
- Average daylight in January:
10h and 4min - Average daylight in February:
11h and 2min - Average daylight in March:
12h and 0min - Average daylight in April:
12h and 5min - Average daylight in May:
13h and 2min - Average daylight in June:
13h and 5min
- Average daylight in July:
13h and 4min - Average daylight in August:
13h and 1min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 3min - Average daylight in November:
10h and 5min - Average daylight in December:
10h and 3min
The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).
- Average sunshine in January:
7h and 2min - Average sunshine in February:
7h and 3min - Average sunshine in March:
10h and 0min - Average sunshine in April:
11h and 4min - Average sunshine in May:
11h and 3min - Average sunshine in June:
10h and 4min
- Average sunshine in July:
9h and 0min - Average sunshine in August:
10h and 1min - Average sunshine in September:
9h and 4min - Average sunshine in October:
8h and 5min - Average sunshine in November:
7h and 4min - Average sunshine in December:
7h and 3min
The month with the most sunshine is April (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 7h and 24min).
Average sunshine days
Biratnagar, Nepal
- Average sunshine days in January:
28.3 days - Average sunshine days in February:
25.8 days - Average sunshine days in March:
26.5 days - Average sunshine days in April:
20.3 days - Average sunshine days in May:
10.4 days - Average sunshine days in June:
6.7 days
- Average sunshine days in July:
5.3 days - Average sunshine days in August:
8.3 days - Average sunshine days in September:
9.6 days - Average sunshine days in October:
22.3 days - Average sunshine days in November:
28.2 days - Average sunshine days in December:
28.9 days
The month with the most sunshine days is December (28.9 days).
The month with the least sunshine days is July (5.3 days).
Average UV index
Biratnagar, Nepal
The month with the highest UV index is May (UV index 8).
The months with the lowest UV index are January and December (UV index 5).
Average cloud cover
Biratnagar, Nepal
The month with the most cloud cover is July (Cloud cover 50).
The month with the least cloud cover is November (Cloud cover 7).
Average visibility
Biratnagar, Nepal
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (10km).
The months with the lowest visibility are July and August (9km).
