Yearly & Monthly weather

The climate of Isoka

Isoka, Zambia has a unique weather pattern throughout the year that can be primarily classified as Humid subtropical with dry winter, as per the Köppen climate classification. This classification, Cwa, points towards a predominance of comfortable warm to hot summers and wet and dry variations throughout the year.

An examination of the weather patterns in Isoka reveals that temperatures remain consistently high, with the highest temperature peaking at 30.9°C (87.6°F) in October and the lowest, recorded at 10.4°C (50.7°F) in July. January to April maintain a temperature range from 23.7°C (74.7°F) to 24°C (75.2°F), whilst from May to July, the temperatures slightly drop, ranging from 23.8°C (74.8°F) to 24.1°C (75.4°F), only to rise again from August to December, fluctuating from 27.2°C (81°F) to 30.9°C (87.6°F).

Rainfall in Isoka significantly varies, with an overwhelmingly wet start of the year, receiving the highest rainfall of 304mm (11.97") in December, followed by "296mm (11.65") in January, descending gradually towards a remarkably dry mid-year, and then rising towards a wet end of the year. Meanwhile, humidity levels also vary, averaging at a high of 90% in March and a low of 48% between September to October.

Isoka experiences mild wind speeds throughout the year, averaged at around 6.1km/h (3.8mph) in February and up to 12.2km/h (7.6mph) in September. These wind patterns can give rise to short-lived gusts, reaching up to 17.9km/h (11.1mph) in September.

The best time to visit Isoka

For travellers looking to enjoy mild temperatures and low humidity, the best time to visit Isoka is between May to August. During this period, temperatures average at a comfortable 24.1°C (75.4°F) to 27.2°C (81°F), and humidity levels remain at a comfortable average of 75%, the lowest of the year. An exceptional amount of sunshine with reduced cloud coverage during these months also ensures optimal visibility for tourists. As July and August marks the driest period in Isoka, with rainfall measurements recorded at 0mm (0") and 1mm (0.04") respectively, the visitors can expect uninterrupted outdoor activities.

The worst time to visit Isoka

Planning a visit to Isoka between January to March might not be favourable as the area experiences the highest rainfall of the year. With rainfall quotas reaching up to 296mm (11.65"), 268mm (10.55") and 270mm (10.63") in January, February, and March respectively, this period is characterized by wet and damp conditions. Furthermore, the grossly high humidity levels, peaking at 90%, alongside the relatively high temperature range of 23.7°C (74.7°F) to 24.3°C (75.7°F), may result in a rather uncomfortable and sticky climate.

Spring weather in Isoka

In Isoka, spring is observed from September to November. This period experiences progressively warmer temperatures that range from 29.4°C (84.9°F) to 30.9°C (87.6°F). These months also receive the lowest rainfall of 1mm (0.04") to 9mm (0.35"), signalling Isoka’s transition from winter to summer. During this transition, the area also witnesses a significant decrease in humidity, with average percentages dropping from 68% in July to 48% in October. Visitors during this time can enjoy the noticeable decline in rainfall, lower humidity levels, and an average wind speed of 11.9km/h (7.4mph) to 12.2km/h (7.6mph).

Summer weather in Isoka

Typically, Isoka's summer spans from December to February. In this period, temperatures borderline between 23.7°C (74.7°F) in January and 24.1°C (75.4°F) in February. The area receives higher levels of precipitation during these months, with rainfall ranging from 268mm (10.55") to 304mm (11.97"). Despite the high precipitation, December registers the highest daylight hours of 12.7 hours. The high temperatures and plentiful rainfall propose a warm and wet summer climate, coupled with an average wind speed of 6.1km/h (3.8mph) to 6.5km/h (4mph).

Autumn weather in Isoka

From March to May, Isoka experiences autumn, marked by mild and comfortable temperatures. The area maintains an average of 24°C (75.2°F) in March and April, and experiences a mild drop to 23.8°C (74.8°F) in May. Distance between minimum and maximum temperature contracts to six degrees. This period also witnesses a remarkable drop in rainfall, from 270mm (10.63") in March to a considerably low 10mm (0.39") in May. A gradual decrease in humidity can also be noticed, dropping from 90% to 82%.

Winter weather in Isoka

June through August is considered winter in Isoka. During these months, the area experiences lower temperatures fluctuating from 23.3°C (73.9°F) to 27.2°C (81°F). The rainfall is negligible with measurements recorded at 0mm (0") to 1mm (0.04"), creating an overall dry climate. Furthermore, the humidity levels also lower to a comfortable range of 56% to 75%, with longer sunlight hours averaging around 11.5 to 11.8 hours a day, increasing visibility. Augustine and September experience variable wind speeds, from 10.8km/h (6.7mph) growing to 12.2km/h (7.6mph), presenting the visitors with a comfortably breezy climate.

Weather in January

Beginning the year, Isoka, Zambia experiences high rainfall levels of 296mm (11.65"), making January the month with the maximum rainfall of the year. Consequently, high humidity levels ensue making the surroundings slightly uncomfortable. Weather in January »

Weather in February

Into February, Isoka experiences a small decrease in rainfall as compared to January, indicating the onset of a slight change in weather conditions. Mornings and nights remain relatively cool, making for a relaxed start and end to each day. Weather in February »

Weather in March

March marks a further decrease in rainfall, possibly signaling towards the conclusion of the rainy season. The drop is accompanied by a slight dip in both maximum and minimum temperatures, making the weather overall cooler. The amount of visible sunshine reduces, indicating an increase in cloud cover. Weather in March »

Weather in April

Entering April, Isoka, Zambia experiences a drastic decrease in rainfall to 86mm (3.39"), marking the end of the wet season. The change in season is further signaled by a slight dip in humidity levels. The amount of observable daylight shows a marginal decrease, implying an increment in the duration of nights. Weather in April »

Weather in May

May brings in a massive climate change with Isoka receiving only 10mm (0.39") of rainfall, a large drop from April. This month witnesses a significant decrease in humidity levels, indicating the onset of drier conditions. Temperatures drop as well, making mornings and evenings colder while keeping the afternoons pleasant. Weather in May »

Weather in June

By June, rainfall drops further to merely 1mm (0.04"), resulting in arid weather conditions for Isoka. The climate remains cool during the night and morning, but warms up as the daylight hours set in. The average humidiy also decreases, further contributing to the dry atmosphere. Weather in June »

Weather in July

July marks the middle of the year, with Isoka continuing to experience drought-like conditions with minimal rainfall. The dry spell, however, does not affect the relatively cool temperatures. Bright, sunny days prevail as cloud cover decreases significantly, allowing ample sunlight to reach the ground. Weather in July »

Weather in August

As August rolls in, the dry season still holds strong with negligible rainfall. The daytime temperatures peak, while the nights remain cool, providing much-needed relief from the hot afternoons. With reduced humidity, the weather overall becomes much drier. Weather in August »

Weather in September

September ushers in a slight change with the temperatures rising to a balmy 29.4°C (84.9°F). The humidity levels start to pick up, indicating a potential change in the season. Despite the increased temperatures, the nights remain cool, offering a respite from the day's heat. Weather in September »

Weather in October

October sees the year's highest temperatures, averaging at a high of 30.9°C (87.6°F). The heat is contrasted by evening temperatures, which provide a pleasant end to the day. With a slightly increased rainfall of 9mm (0.35"), the dry season gradually comes to an end. Weather in October »

Weather in November

In November, rain showers become more frequent, replenishing the dry landscapes of Isoka. The temperature shows a noticeable decline, indicating the arrival of cooler weather. Cloud cover increases, replacing the clear, sunny skies with a grey ambiance. Weather in November »

Weather in December

December carries the climate transition forward as Isoka receives the second highest rainfall of the year at 304mm (11.97"), indicating the onset of the wet season. The weather turns colder as the rainfall increases, providing a cooler end to the year. Weather in December »

Updated: Jun 4, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How many days does it rain in Isoka?

Throughout the year, there are 184.1 rainfall days, and 1339mm (52.72") of precipitation is accumulated.

What are the months with the lowest UV index?

The months with the lowest UV index are January through July and December, with an average maximum UV index of 5.

What is the most humid month?

The most humid month is March, with an average relative humidity of 90%.

What is the month with the least sunshine?

April has the least sunshine of the year, with an average of 7.4h of sunshine.

What time of the year is the coldest?

Temperature readings reach their annual highs in June, averaging 23.3°C (73.9°F) and a minimum average of 10.7°C (51.3°F).

What is the month with the shortest days?

June has the shortest days of the year, with an average of 11h and 30min of daylight.

What is the driest month?

July is the only month when rain does not fall.

When does it rain?

January through June, August through December are months with rainfall.

What are the months with the highest UV index?

The months with the highest UV index are August through November, with an average maximum UV index of 6.

What is the least humid month?

The months with the lowest humidity are September and October, with an average relative humidity of 48%.

What month has the most sunshine?

September has the most sunshine of the year in Isoka, with an average of 10h of sunshine.

What is the warmest month in Isoka?

Isoka's temperatures tend to reach their peak averages in October, with a high of 30.9°C (87.6°F) and a low of 17°C (62.6°F).

What is the wettest month?

The month with the most rainfall is December, when the rain falls for 30.3 days and typically aggregates up to 304mm (11.97") of precipitation.

When are the longest days?

The month with the longest days is December, with an average of 12h and 42min of daylight.

Is there Daylight Saving Time (DST)?

Isoka does not utilize Daylight Saving Time (DST). CAT timezone is used throughout the entire year.

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Long-term

Year J F M A M J J A S O N D

Average temperature
Isoka, Zambia

Average high temperature in January:
23.7°C
Average high temperature in February:
24.1°C
Average high temperature in March:
24.3°C
Average high temperature in April:
24°C
Average high temperature in May:
23.8°C
Average high temperature in June:
23.3°C

Average high temperature in July:
24.1°C
Average high temperature in August:
27.2°C
Average high temperature in September:
29.4°C
Average high temperature in October:
30.9°C
Average high temperature in November:
29.1°C
Average high temperature in December:
25.7°C

The warmest month (with the highest average high temperature) is October (30.9°C).
The month with the lowest average high temperature is June (23.3°C).

Average low temperature in January:
16.4°C
Average low temperature in February:
16.3°C
Average low temperature in March:
15.9°C
Average low temperature in April:
14.8°C
Average low temperature in May:
12.9°C
Average low temperature in June:
10.7°C

Average low temperature in July:
10.4°C
Average low temperature in August:
12.4°C
Average low temperature in September:
14.5°C
Average low temperature in October:
17°C
Average low temperature in November:
17.7°C
Average low temperature in December:
16.6°C

The month with the highest average low temperature is November (17.7°C).
The coldest month (with the lowest average low temperature) is July (10.4°C).

Average pressure
Isoka, Zambia

Average pressure in January:
1012.3mbar
Average pressure in February:
1012.2mbar
Average pressure in March:
1013mbar
Average pressure in April:
1014.7mbar
Average pressure in May:
1016.8mbar
Average pressure in June:
1018.6mbar

Average pressure in July:
1018.9mbar
Average pressure in August:
1017mbar
Average pressure in September:
1014.9mbar
Average pressure in October:
1012.3mbar
Average pressure in November:
1011.5mbar
Average pressure in December:
1012mbar

The month with the highest atmospheric pressure is July (1018.9mbar).
The month with the lowest atmospheric pressure is November (1011.5mbar).

Average wind speed
Isoka, Zambia

Average wind speed in July:
10km/h
Average wind speed in August:
10.8km/h
Average wind speed in September:
12.2km/h
Average wind speed in October:
11.9km/h
Average wind speed in November:
9.7km/h
Average wind speed in December:
6.8km/h

The windiest month (with the highest average wind speed) is September (12.2km/h).
The calmest month (with the lowest average wind speed) is February (6.1km/h).

Average humidity
Isoka, Zambia

The month with the highest relative humidity is March (90%).
The months with the lowest relative humidity are September and October (48%).

Average rainfall
Isoka, Zambia

The wettest month (with the highest rainfall) is December (304mm).
The driest month (with the least rainfall) is July (0mm).

Average rainfall days
Isoka, Zambia

Average rainfall days in January:
30.7 days
Average rainfall days in February:
27.8 days
Average rainfall days in March:
30 days
Average rainfall days in April:
25.3 days
Average rainfall days in May:
10.6 days
Average rainfall days in June:
1.3 days

Average rainfall days in July:
1.3 days
Average rainfall days in August:
0.8 days
Average rainfall days in September:
1.5 days
Average rainfall days in October:
6.5 days
Average rainfall days in November:
18 days
Average rainfall days in December:
30.3 days

The month with the highest number of rainy days is January (30.7 days).
The month with the least rainy days is August (0.8 days).

Average daylight / Average sunshine
Isoka, Zambia

Average daylight in January:
12h and 4min
Average daylight in February:
12h and 2min
Average daylight in March:
12h and 1min
Average daylight in April:
11h and 5min
Average daylight in May:
11h and 4min
Average daylight in June:
11h and 3min

Average daylight in July:
11h and 4min
Average daylight in August:
11h and 5min
Average daylight in September:
12h and 1min
Average daylight in October:
12h and 2min
Average daylight in November:
12h and 4min
Average daylight in December:
12h and 4min

The month with the longest days is December (Average daylight: 12h and 42min).
The month with the shortest days is June (Average daylight: 11h and 30min).

Average sunshine in January:
8h and 2min
Average sunshine in February:
8h and 0min
Average sunshine in March:
7h and 3min
Average sunshine in April:
7h and 2min
Average sunshine in May:
8h and 4min
Average sunshine in June:
7h and 4min

Average sunshine in July:
7h and 4min
Average sunshine in August:
8h and 3min
Average sunshine in September:
10h and 0min
Average sunshine in October:
9h and 5min
Average sunshine in November:
9h and 2min
Average sunshine in December:
9h and 2min

The month with the most sunshine is September (Average sunshine: 10h and 0min).
The month with the least sunshine is April (Average sunshine: 7h and 24min).

Average sunshine days
Isoka, Zambia

Average sunshine days in January:
0.3 days
Average sunshine days in February:
0.3 days
Average sunshine days in March:
0.5 days
Average sunshine days in April:
2.7 days
Average sunshine days in May:
16.8 days
Average sunshine days in June:
27.4 days

Average sunshine days in July:
29.8 days
Average sunshine days in August:
29.4 days
Average sunshine days in September:
28.2 days
Average sunshine days in October:
23.2 days
Average sunshine days in November:
10.3 days
Average sunshine days in December:
0.7 days

The month with the most sunshine days is July (29.8 days).
The months with the least sunshine days are January and February (0.3 days).

Average UV index
Isoka, Zambia

The months with the highest UV index are August, September, October and November (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, July and December (UV index 5).

Average cloud cover
Isoka, Zambia

The month with the most cloud cover is March (Cloud cover 63).
The month with the least cloud cover is September (Cloud cover 8).

Average visibility
Isoka, Zambia

The months with the highest visibility are August, September and October (10km).
The months with the lowest visibility are March and April (6km).

Climate and monthly weather forecastIsoka, Zambia

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