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Contents
- 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 snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Climate and monthly weather forecast
Weather in January
January, the same as December, in Welwyn Garden City, United Kingdom, is another chilly winter month, with temperature in the range of an average high of 6.3°C (43.3°F) and an average low of 1.6°C (34.9°F). In Welwyn Garden City, the lowest average temperatures are observed in January, with a high of 6.3°C (43.3°F) and a low of 1.6°C (34.9°F). Weather in January »
Weather in February
The last month of the winter, February, is also a frosty month in Welwyn Garden City, United Kingdom, with temperature in the range of an average low of 2°C (35.6°F) and an average high of 7°C (44.6°F). Welwyn Garden City's February average high-temperature settles at a still chilly 7°C (44.6°F), showing a near match with the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is a cool month in Welwyn Garden City, United Kingdom, with an average temperature ranging between min 3°C (37.4°F) and max 10.1°C (50.2°F). With the beginning of March, Welwyn Garden City's average high-temperature sees a minor increase, transitioning from a frosty 7°C (44.6°F) in February to a cool 10.1°C (50.2°F). Weather in March »
Weather in April
April in Welwyn Garden City, United Kingdom, is a refreshing spring month, with an average temperature ranging between max 13.6°C (56.5°F) and min 4.8°C (40.6°F). April marks a minor ascent in the average high-temperature, adjusting from March's fresh 10.1°C (50.2°F) to a refreshing 13.6°C (56.5°F). Weather in April »
Weather in May
The last month of the spring, May, is also a moderate month in Welwyn Garden City, United Kingdom, with temperature in the range of an average high of 15.9°C (60.6°F) and an average low of 7°C (44.6°F). A minimal variation is noted in Welwyn Garden City's average high-temperature at the onset of May, reaching a still refreshing 15.9°C (60.6°F) from April's 13.6°C (56.5°F). Weather in May »
Weather in June
June, the first month of the summer in Welwyn Garden City, is an enjoyable month, with an average temperature ranging between min 10.3°C (50.5°F) and max 18.9°C (66°F). The advent of June sees the average high-temperature at an enjoyable 18.9°C (66°F), subtly shifted from May's 15.9°C (60.6°F). Weather in June »
Weather in July
July is an agreeable summer month in Welwyn Garden City, United Kingdom, with temperature in the range of an average low of 12.5°C (54.5°F) and an average high of 21.4°C (70.5°F). July, noted for its average high-temperature of 21.4°C (70.5°F) and an average low-temperature of 12.5°C (54.5°F), is considered the warmest month. Weather in July »
Weather in August
The last month of the summer, August, is another pleasant month in Welwyn Garden City, United Kingdom, with an average temperature ranging between max 21.3°C (70.3°F) and min 13.3°C (55.9°F). The unfolding of August shows an average high-temperature of a still agreeable 21.3°C (70.3°F), indicating a slight variance from July's 21.4°C (70.5°F). Weather in August »
Weather in September
September, the first month of the autumn in Welwyn Garden City, is still a comfortable month, with an average temperature ranging between min 10.9°C (51.6°F) and max 18.5°C (65.3°F). As August transitions into September, the average high-temperature rests at an enjoyable 18.5°C (65.3°F), maintaining a close resemblance to the previous month. Weather in September »
Weather in October
October, the same as September, in Welwyn Garden City, United Kingdom, is a moderate autumn month, with an average temperature fluctuating between 14.5°C (58.1°F) and 8.6°C (47.5°F). October marks a gentle change in average high-temperature, declining from September's enjoyable 18.5°C (65.3°F) to a mild 14.5°C (58.1°F). Weather in October »
Weather in November
November, the last month of the autumn in Welwyn Garden City, is also a frosty month, with an average temperature fluctuating between 5.4°C (41.7°F) and 9.9°C (49.8°F). With the onset of November, Welwyn Garden City experiences a modest temperature adjustment, with the average high-temperature gently receding from a moderate 14.5°C (58.1°F) in October to a chilly 9.9°C (49.8°F). Weather in November »
Weather in December
December, the first month of the winter in Welwyn Garden City, is also a frosty month, with an average temperature varying between 2.9°C (37.2°F) and 7.2°C (45°F). The arrival of December brings an average high-temperature of a still chilly 7.2°C (45°F), subtly diverging from November's 9.9°C (49.8°F). Weather in December »
Updated: Feb 8, 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 is the coldest month in Welwyn Garden City?
In Welwyn Garden City, United Kingdom, the average lowest temperatures are observed in January, with a high of 6.3°C (43.3°F) and a low of 1.6°C (34.9°F).
How many days does it rain in Welwyn Garden City?
In Welwyn Garden City, United Kingdom, during the entire year, the rain falls for 153.2 days and collects up to 278mm (10.94") of precipitation.
When does it snow in Welwyn Garden City?
January through March, November and December are months with snowfall.
How many days does it snow in Welwyn Garden City?
In Welwyn Garden City, United Kingdom, during the entire year, snow falls for 10 days and aggregates up to 51mm (2.01") of snow.
What is the month with the lowest UV index in Welwyn Garden City?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Welwyn Garden City, United Kingdom.
What is the snowiest month in Welwyn Garden City?
The month with the most snowfall in Welwyn Garden City is February, when snow falls for 3.3 days and typically aggregates up to 16mm (0.63") of snow.
What is the month with the least sunshine in Welwyn Garden City?
With an average of 3.7h of sunshine, February has the least sunshine of the year in Welwyn Garden City.
When it does not snow in Welwyn Garden City?
April through October are months without snowfall in Welwyn Garden City.
What is the rainiest month in Welwyn Garden City?
June is the month with the most rainfall in Welwyn Garden City, United Kingdom. Rain falls for 13.8 days and accumulates 36mm (1.42") of precipitation.
When are the longest days in Welwyn Garden City?
With an average of 16h and 36min of daylight, June has the longest days of the year in Welwyn Garden City, United Kingdom.
What are the months with the highest UV index in Welwyn Garden City?
The months with the highest UV index are June and July, with an average maximum UV index of 5.
What time of the year is the hottest in Welwyn Garden City?
With average high and low temperatures of 21.4°C (70.5°F) and 12.5°C (54.5°F) respectively, July is Welwyn Garden City's warmest month.
What are the months with the most sunshine in Welwyn Garden City?
The months with the most sunshine in Welwyn Garden City, United Kingdom, are July and August, with an average of 7.9h of sunshine.
What is the least humid month in Welwyn Garden City?
With an average relative humidity of 75%, August is the least humid month in Welwyn Garden City.
What is the driest month in Welwyn Garden City?
The month with the least rainfall in Welwyn Garden City, United Kingdom, is September, when the rain falls for 10.5 days and typically collects 15mm (0.59") of precipitation.
When is Daylight Saving Time (DST) in Welwyn Garden City?
On Sunday, 27. October 2024, at 2:00 am, Daylight Saving Time ends in Welwyn Garden City, and the time zone changes from BST to GMT. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 1:00 am, and the time zone reverts from GMT to BST.
What is the most humid month in Welwyn Garden City?
With an average relative humidity of 90%, December is the most humid month.
What is the month with the shortest days in Welwyn Garden City?
The month with the shortest days is December, with an average of 7h and 54min of daylight.
Average temperature
Welwyn Garden City, United Kingdom
The warmest month (with the highest average high temperature) is July (21.4°C).
The month with the lowest average high temperature is January (6.3°C).
The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is January (1.6°C).
Average pressure
Welwyn Garden City, United Kingdom
- Average pressure in January:
1014.2mbar - Average pressure in February:
1013.6mbar - Average pressure in March:
1015.3mbar - Average pressure in April:
1015.7mbar - Average pressure in May:
1016.7mbar - Average pressure in June:
1016.1mbar
- Average pressure in July:
1015.1mbar - Average pressure in August:
1014.6mbar - Average pressure in September:
1016.7mbar - Average pressure in October:
1014.9mbar - Average pressure in November:
1010.3mbar - Average pressure in December:
1014.1mbar
The months with the highest atmospheric pressure are May and September (1016.7mbar).
The month with the lowest atmospheric pressure is November (1010.3mbar).
Average wind speed
Welwyn Garden City, United Kingdom
- Average wind speed in January:
17.6km/h - Average wind speed in February:
18.3km/h - Average wind speed in March:
16.6km/h - Average wind speed in April:
13.8km/h - Average wind speed in May:
13.7km/h - Average wind speed in June:
13.1km/h
- Average wind speed in July:
12.9km/h - Average wind speed in August:
13.4km/h - Average wind speed in September:
13.2km/h - Average wind speed in October:
15.3km/h - Average wind speed in November:
16.5km/h - Average wind speed in December:
18.2km/h
The windiest month (with the highest average wind speed) is February (18.3km/h).
The calmest month (with the lowest average wind speed) is July (12.9km/h).
Average humidity
Welwyn Garden City, United Kingdom
The month with the highest relative humidity is December (90%).
The month with the lowest relative humidity is August (75%).
Average rainfall
Welwyn Garden City, United Kingdom
The wettest month (with the highest rainfall) is June (36mm).
The driest month (with the least rainfall) is September (15mm).
Average rainfall days
Welwyn Garden City, United Kingdom
- Average rainfall days in January:
11.6 days - Average rainfall days in February:
10.8 days - Average rainfall days in March:
11.8 days - Average rainfall days in April:
13.8 days - Average rainfall days in May:
13.8 days - Average rainfall days in June:
13.8 days
- Average rainfall days in July:
16.6 days - Average rainfall days in August:
14.3 days - Average rainfall days in September:
10.5 days - Average rainfall days in October:
11.3 days - Average rainfall days in November:
12.5 days - Average rainfall days in December:
12.4 days
The month with the highest number of rainy days is July (16.6 days).
The month with the least rainy days is September (10.5 days).
Average snowfall
Welwyn Garden City, United Kingdom
The month with the highest snowfall is February (16mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days
Welwyn Garden City, United Kingdom
- Average snowfall days in January:
3 days - Average snowfall days in February:
3.3 days - Average snowfall days in March:
1 days - Average snowfall days in April:
0.3 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.3 days - Average snowfall days in December:
2.1 days
The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Welwyn Garden City, United Kingdom
- Average daylight in January:
8h and 2min - Average daylight in February:
10h and 0min - Average daylight in March:
11h and 5min - Average daylight in April:
13h and 5min - Average daylight in May:
15h and 4min - Average daylight in June:
16h and 4min
- Average daylight in July:
16h and 1min - Average daylight in August:
14h and 4min - Average daylight in September:
12h and 4min - Average daylight in October:
10h and 4min - Average daylight in November:
8h and 5min - Average daylight in December:
7h and 5min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in January:
4h and 1min - Average sunshine in February:
3h and 4min - Average sunshine in March:
5h and 3min - Average sunshine in April:
7h and 4min - Average sunshine in May:
7h and 2min - Average sunshine in June:
7h and 2min
- Average sunshine in July:
7h and 5min - Average sunshine in August:
7h and 5min - Average sunshine in September:
7h and 1min - Average sunshine in October:
4h and 3min - Average sunshine in November:
4h and 0min - Average sunshine in December:
4h and 2min
The months with the most sunshine are July and August (Average sunshine: 7h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days
Welwyn Garden City, United Kingdom
- Average sunshine days in January:
15.2 days - Average sunshine days in February:
13.6 days - Average sunshine days in March:
15.8 days - Average sunshine days in April:
13.3 days - Average sunshine days in May:
12.8 days - Average sunshine days in June:
11.7 days
- Average sunshine days in July:
11.1 days - Average sunshine days in August:
13.4 days - Average sunshine days in September:
16.5 days - Average sunshine days in October:
15.9 days - Average sunshine days in November:
13.6 days - Average sunshine days in December:
14.7 days
The month with the most sunshine days is September (16.5 days).
The month with the least sunshine days is July (11.1 days).
Average UV index
Welwyn Garden City, United Kingdom
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Welwyn Garden City, United Kingdom
The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 48).
Average visibility
Welwyn Garden City, United Kingdom
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
