Climate Insights for Namanga

Longido District, Arusha Region, Tanzania

Hottest
March
29°C peak
Coldest
August
14°C low
Wettest
April
100mm rain
Best to Visit
January, February, March
Mild temps & low rain

Climate Overview

The climate in Namanga is warm and mild. The average annual temperature is 21°C and approximately 523mm of precipitation falls per year. April is the wettest month, receiving around 100mm of rainfall. Namanga 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: 17° Feb Max: 28° Average: 22° Min: 17° Mar Max: 29° Average: 23° Min: 17° Apr Max: 27° Average: 22° Min: 18° May Max: 26° Average: 21° Min: 17° Jun Max: 25° Average: 20° Min: 15° Jul Max: 25° Average: 19° Min: 14° Aug Max: 26° Average: 20° Min: 14° Sep Max: 27° Average: 21° Min: 15° Oct Max: 28° Average: 22° Min: 16° Nov Max: 27° Average: 21° Min: 17° Dec Max: 27° Average: 21° Min: 17°
Max
Average
Min

Namanga sees moderate temperature variation throughout the year, ranging from 14°C to 29°C. The warmest month is March, when average highs reach 29°C and the mean temperature sits around 23°C. August is the coolest month, with minimum temperatures around 14°C and an average of 20°C. On average, daily temperatures fluctuate by about 11°C between overnight lows and afternoon highs.

Precipitation

0mm 25mm 50mm 75mm 100mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 92mm Feb Precipitation: 50mm Mar Precipitation: 78mm Apr Precipitation: 100mm May Precipitation: 37mm Jun Precipitation: 2mm Jul Precipitation: 2mm Aug Precipitation: 3mm Sep Precipitation: 3mm Oct Precipitation: 24mm Nov Precipitation: 66mm Dec Precipitation: 65mm
Precipitation

Namanga is a relatively dry area, receiving approximately 523mm of precipitation annually, which averages out to around 44mm per month. The wettest month is April, averaging 100mm of rainfall. January and March also tend to see above-average precipitation. The driest month is July, with just 2mm. That's 98mm less than April, 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 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 9km/h Feb Wind Speed: 10km/h Mar Wind Speed: 9km/h Apr Wind Speed: 7km/h May Wind Speed: 6km/h Jun Wind Speed: 7km/h Jul Wind Speed: 7km/h Aug Wind Speed: 8km/h Sep Wind Speed: 8km/h Oct Wind Speed: 10km/h Nov Wind Speed: 10km/h Dec Wind Speed: 10km/h
Wind Speed

Namanga is relatively calm, with an average annual wind speed of 8km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is December, averaging 10km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 6km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 4km/h gap between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 7km/h in winter, 9km/h in spring, 9km/h in summer, 8km/h in autumn.

Seasons

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

7 days until Spring

It is currently winter in Namanga, which began on June 21, 2026. Namanga sits near the equator, so the traditional four-season cycle is less pronounced. Temperatures remain relatively stable year-round. The warmest period peaks in March at around 29°C, while the coldest stretch bottoms out in August near 14°C. Spring is next, beginning on September 23, 2026 (7 days from now).

Spring

Temperatures range from 15 to 28°C. Rainfall is relatively light, with around 94mm over the season and a monthly average of 31mm. Winds are generally light, averaging 9km/h. Light layers work well as temperatures warm through the season. It is a great time to be outdoors.

Summer

Temperatures range from 17 to 28°C. Precipitation is moderate at around 207mm for the season, averaging 69mm per month. Winds are generally light, averaging 9km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.

Autumn

Temperatures range from 17 to 29°C. Precipitation is moderate at around 215mm for the season, averaging 72mm per month. Winds are generally light, averaging 8km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 14 to 26°C. Precipitation is minimal, with only around 7mm for the entire season. Winds are generally light, averaging 7km/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 22°
Mar 23°
Apr 22°
May 21°
Jun 20°
Jul 19°
Aug 20°
Sep 21°
Oct 22°
Nov 21°
Dec 21°

The best time to visit Namanga is during January, February, March, April, May, June, July, August, September, October, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 44mm 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 Namanga 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
17 °C
27 °C
9 km/h
92 mm
0 cm
Feb
17 °C
28 °C
10 km/h
50 mm
0 cm
Mar
17 °C
29 °C
9 km/h
78 mm
0 cm
Apr
18 °C
27 °C
7 km/h
100 mm
0 cm
May
17 °C
26 °C
6 km/h
37 mm
0 cm
Jun
15 °C
25 °C
7 km/h
2 mm
0 cm
Jul
14 °C
25 °C
7 km/h
2 mm
0 cm
Aug
14 °C
26 °C
8 km/h
3 mm
0 cm
Sep Current
15 °C
27 °C
8 km/h
3 mm
0 cm
Oct
16 °C
28 °C
10 km/h
24 mm
0 cm
Nov
17 °C
27 °C
10 km/h
66 mm
0 cm
Dec
17 °C
27 °C
10 km/h
65 mm
0 cm
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Metric (°C, km/h)