Climate Insights for Kiratu

Karatu District, Arusha Region, Tanzania

Hottest
February
25°C peak
Coldest
July
10°C low
Wettest
January
475mm rain
Best to Visit
June, August, September
Mild temps & low rain

Climate Overview

The climate in Kiratu is temperate. The average annual temperature is 17°C and approximately 1770mm of precipitation falls per year. January is the wettest month, receiving around 475mm of rainfall. Kiratu 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: 24° Average: 19° Min: 14° Feb Max: 25° Average: 19° Min: 14° Mar Max: 25° Average: 19° Min: 14° Apr Max: 23° Average: 18° Min: 15° May Max: 21° Average: 16° Min: 13° Jun Max: 20° Average: 15° Min: 11° Jul Max: 20° Average: 15° Min: 10° Aug Max: 21° Average: 15° Min: 11° Sep Max: 23° Average: 17° Min: 11° Oct Max: 24° Average: 18° Min: 13° Nov Max: 24° Average: 18° Min: 14° Dec Max: 24° Average: 19° Min: 14°
Max
Average
Min

Kiratu sees moderate temperature variation throughout the year, ranging from 10°C to 25°C. February is the warmest month, though highs remain moderate at 25°C with a mean of 19°C. July is the coolest month, with minimum temperatures around 10°C and an average of 15°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs.

Precipitation

0mm 50mm 100mm 150mm 200mm 250mm 300mm 350mm 400mm 450mm 500mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 475mm Feb Precipitation: 210mm Mar Precipitation: 218mm Apr Precipitation: 257mm May Precipitation: 105mm Jun Precipitation: 27mm Jul Precipitation: 24mm Aug Precipitation: 20mm Sep Precipitation: 19mm Oct Precipitation: 57mm Nov Precipitation: 152mm Dec Precipitation: 206mm
Precipitation

Kiratu is a fairly wet location, receiving approximately 1770mm of precipitation annually, which averages out to around 148mm per month. The wettest month is January, averaging 475mm of rainfall. April and March also tend to see above-average precipitation. The driest month is September, with just 19mm. That's 456mm less than January, 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 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 9km/h Feb Wind Speed: 11km/h Mar Wind Speed: 11km/h Apr Wind Speed: 11km/h May Wind Speed: 12km/h Jun Wind Speed: 12km/h Jul Wind Speed: 13km/h Aug Wind Speed: 13km/h Sep Wind Speed: 14km/h Oct Wind Speed: 13km/h Nov Wind Speed: 12km/h Dec Wind Speed: 11km/h
Wind Speed

Kiratu is relatively calm, 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 September, averaging 14km/h, though still comfortable for most outdoor activities. The calmest conditions occur in January, 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 5km/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 13km/h in winter, 13km/h in spring, 10km/h in summer, 11km/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 Kiratu, which began on March 20, 2026. Kiratu sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in February at around 25°C, while the coldest stretch bottoms out in July near 10°C. Winter is next, beginning on June 21, 2026 — 89 days from now.

Spring

Temperatures range from 11 to 24°C. Precipitation is moderate at around 228mm for the season, averaging 76mm per month. Winds are generally light, averaging 13km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 14 to 25°C. Rainfall is heavy, totalling around 892mm across the season with a monthly average of 297mm. Winds are generally light, averaging 10km/h. Comfortable clothing with a light layer for cooler evenings is all you need.

Autumn

Temperatures range from 13 to 25°C. Rainfall is heavy, totalling around 580mm across the season with a monthly average of 193mm. Winds are generally light, averaging 11km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 10 to 21°C. Rainfall is relatively light, with around 71mm over the season and a monthly average of 24mm. Winds are generally light, averaging 13km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Best Time to Visit

Jan 19°
Feb 19°
Mar 19°
Apr 18°
May 16°
Jun 15°
Jul 15°
Aug 15°
Sep 17°
Oct 18°
Nov 18°
Dec 19°

The best time to visit Kiratu is during June, August, September and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 16°C with modest rainfall averaging 31mm per month. By contrast, February can be uncomfortably hot with highs reaching 25°C, while July is the coldest period with lows dropping to 10°C. 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 Kiratu 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
14 °C
24 °C
9 km/h
475 mm
0 cm
Feb
14 °C
25 °C
11 km/h
210 mm
0 cm
Mar Current
14 °C
25 °C
11 km/h
218 mm
0 cm
Apr
15 °C
23 °C
11 km/h
257 mm
0 cm
May
13 °C
21 °C
12 km/h
105 mm
0 cm
Jun
11 °C
20 °C
12 km/h
27 mm
0 cm
Jul
10 °C
20 °C
13 km/h
24 mm
0 cm
Aug
11 °C
21 °C
13 km/h
20 mm
0 cm
Sep
11 °C
23 °C
14 km/h
19 mm
0 cm
Oct
13 °C
24 °C
13 km/h
57 mm
0 cm
Nov
14 °C
24 °C
12 km/h
152 mm
0 cm
Dec
14 °C
24 °C
11 km/h
206 mm
0 cm
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Metric (°C, km/h)