Climate Insights for Kasamwa

Geita, Geita Region, Tanzania

Hottest
August
30°C peak
Coldest
July
17°C low
Wettest
November
171mm rain
Best to Visit
February, May, June
Mild temps & low rain

Climate Overview

The climate in Kasamwa is warm and mild. The average annual temperature is 23°C and approximately 1040mm of precipitation falls per year. November is the wettest month, receiving around 171mm of rainfall. Kasamwa sits near the equator, so seasonal temperature differences are minimal throughout the year.

Temperature

10° 15° 20° 25° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 27° Average: 22° Min: 18° Feb Max: 28° Average: 23° Min: 18° Mar Max: 29° Average: 23° Min: 18° Apr Max: 27° Average: 22° Min: 18° May Max: 28° Average: 23° Min: 18° Jun Max: 29° Average: 23° Min: 18° Jul Max: 29° Average: 23° Min: 17° Aug Max: 30° Average: 24° Min: 18° Sep Max: 29° Average: 23° Min: 18° Oct Max: 29° Average: 23° Min: 18° Nov Max: 27° Average: 22° Min: 18° Dec Max: 27° Average: 22° Min: 18°
Max
Average
Min

Kasamwa sees moderate temperature variation throughout the year, ranging from 17°C to 30°C. The warmest month is August, when average highs reach 30°C and the mean temperature sits around 24°C. July is the coolest month, with minimum temperatures around 17°C and an average of 23°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs.

Precipitation

0mm 50mm 100mm 150mm 200mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 120mm Feb Precipitation: 92mm Mar Precipitation: 109mm Apr Precipitation: 156mm May Precipitation: 31mm Jun Precipitation: 5mm Jul Precipitation: 5mm Aug Precipitation: 20mm Sep Precipitation: 54mm Oct Precipitation: 112mm Nov Precipitation: 171mm Dec Precipitation: 164mm
Precipitation

Kasamwa is a moderately rainy area, receiving approximately 1040mm of precipitation annually, which averages out to around 87mm per month. The wettest month is November, averaging 171mm of rainfall. December and April also tend to see above-average precipitation. The driest month is July, with just 5mm. That's 166mm less than November, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Wind

0km/h 5km/h 10km/h 15km/h 20km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 10km/h Feb Wind Speed: 10km/h Mar Wind Speed: 11km/h Apr Wind Speed: 11km/h May Wind Speed: 14km/h Jun Wind Speed: 15km/h Jul Wind Speed: 16km/h Aug Wind Speed: 15km/h Sep Wind Speed: 14km/h Oct Wind Speed: 12km/h Nov Wind Speed: 10km/h Dec Wind Speed: 9km/h
Wind Speed

Kasamwa is mildly breezy, with an average annual wind speed of 12km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is July, averaging 16km/h, though still comfortable for most outdoor activities. The calmest conditions occur in December, with average winds dropping to 9km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 7km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 15km/h in winter, 12km/h in spring, 10km/h in summer, 12km/h in autumn.

Seasons

Winter
Dec 21
Spring
Sep 23
Summer
Dec 21
Autumn
Mar 20

89 days until Winter

It is currently autumn in Kasamwa, which began on March 20, 2026. Kasamwa sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in August at around 30°C, while the coldest stretch bottoms out in July near 17°C. Winter is next, beginning on June 21, 2026 — 89 days from now.

Spring

Temperatures range from 18 to 29°C. Rainfall is heavy, totalling around 337mm across the season with a monthly average of 112mm. Winds are generally light, averaging 12km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 18 to 28°C. Rainfall is heavy, totalling around 375mm across the season with a monthly average of 125mm. Winds are generally light, averaging 10km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 18 to 29°C. Precipitation is moderate at around 296mm for the season, averaging 99mm per month. Winds are generally light, averaging 12km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 17 to 30°C. Precipitation is minimal, with only around 31mm for the entire season. Winds are moderate at around 15km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Best Time to Visit

Jan 22°
Feb 23°
Mar 23°
Apr 22°
May 23°
Jun 23°
Jul 23°
Aug 24°
Sep 23°
Oct 23°
Nov 22°
Dec 22°

The best time to visit Kasamwa is during February, May, June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 23°C with modest rainfall averaging 35mm per month. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

Monthly Climate Data

The table below shows monthly climate averages for Kasamwa based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
18 °C
27 °C
10 km/h
120 mm
0 cm
Feb
18 °C
28 °C
10 km/h
92 mm
0 cm
Mar Current
18 °C
29 °C
11 km/h
109 mm
0 cm
Apr
18 °C
27 °C
11 km/h
156 mm
0 cm
May
18 °C
28 °C
14 km/h
31 mm
0 cm
Jun
18 °C
29 °C
15 km/h
5 mm
0 cm
Jul
17 °C
29 °C
16 km/h
5 mm
0 cm
Aug
18 °C
30 °C
15 km/h
20 mm
0 cm
Sep
18 °C
29 °C
14 km/h
54 mm
0 cm
Oct
18 °C
29 °C
12 km/h
112 mm
0 cm
Nov
18 °C
27 °C
10 km/h
171 mm
0 cm
Dec
18 °C
27 °C
9 km/h
164 mm
0 cm
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Metric (°C, km/h)