Climate Insights for Matonga

Bariadi, Simiyu Region, Tanzania

Hottest
September
31°C peak
Coldest
July
18°C low
Wettest
April
162mm rain
Best to Visit
January, February, May
Mild temps & low rain

Climate Overview

The climate in Matonga is warm and mild. The average annual temperature is 24°C and approximately 943mm of precipitation falls per year. April is the wettest month, receiving around 162mm of rainfall. Matonga sits near the equator, so seasonal temperature differences are minimal throughout the year.

Temperature

10° 20° 30° 40° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 28° Average: 23° Min: 18° Feb Max: 30° Average: 24° Min: 19° Mar Max: 30° Average: 24° Min: 19° Apr Max: 28° Average: 23° Min: 19° May Max: 29° Average: 23° Min: 19° Jun Max: 29° Average: 24° Min: 19° Jul Max: 30° Average: 24° Min: 18° Aug Max: 30° Average: 24° Min: 19° Sep Max: 31° Average: 25° Min: 20° Oct Max: 31° Average: 24° Min: 20° Nov Max: 29° Average: 23° Min: 19° Dec Max: 28° Average: 23° Min: 19°
Max
Average
Min

Matonga sees moderate temperature variation throughout the year, ranging from 18°C to 31°C. The warmest month is September, when average highs reach 31°C and the mean temperature sits around 25°C. July is the coolest month, with minimum temperatures around 18°C and an average of 24°C. On average, daily temperatures fluctuate by about 11°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: 98mm Feb Precipitation: 83mm Mar Precipitation: 112mm Apr Precipitation: 162mm May Precipitation: 49mm Jun Precipitation: 13mm Jul Precipitation: 10mm Aug Precipitation: 22mm Sep Precipitation: 33mm Oct Precipitation: 83mm Nov Precipitation: 154mm Dec Precipitation: 126mm
Precipitation

Matonga is a moderately rainy area, receiving approximately 943mm of precipitation annually, which averages out to around 79mm per month. The wettest month is April, averaging 162mm of rainfall. November and December also tend to see above-average precipitation. The driest month is July, with just 10mm. That's 152mm 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 15km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 12km/h Feb Wind Speed: 12km/h Mar Wind Speed: 12km/h Apr Wind Speed: 10km/h May Wind Speed: 10km/h Jun Wind Speed: 11km/h Jul Wind Speed: 12km/h Aug Wind Speed: 13km/h Sep Wind Speed: 13km/h Oct Wind Speed: 14km/h Nov Wind Speed: 12km/h Dec Wind Speed: 11km/h
Wind Speed

Matonga 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 October, averaging 14km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 10km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 4km/h between the calmest and windiest months.

Seasons

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

89 days until Winter

It is currently autumn in Matonga, which began on March 20, 2026. Matonga sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in September at around 31°C, while the coldest stretch bottoms out in July near 18°C. Winter is next, beginning on June 21, 2026 — 89 days from now.

Spring

Temperatures range from 19 to 31°C. Precipitation is moderate at around 270mm for the season, averaging 90mm 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 18 to 30°C. Rainfall is heavy, totalling around 306mm across the season with a monthly average of 102mm. Winds are generally light, averaging 12km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 19 to 30°C. Rainfall is heavy, totalling around 323mm across the season with a monthly average of 108mm. Winds are generally light, averaging 11km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 18 to 30°C. Precipitation is minimal, with only around 44mm for the entire season. Winds are generally light, averaging 12km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Best Time to Visit

Jan 23°
Feb 24°
Mar 24°
Apr 23°
May 23°
Jun 24°
Jul 24°
Aug 24°
Sep 25°
Oct 24°
Nov 23°
Dec 23°

The best time to visit Matonga is during January, February, May, June, July, August, September and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 24°C with modest rainfall averaging 49mm 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 Matonga 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
28 °C
12 km/h
98 mm
0 cm
Feb
19 °C
30 °C
12 km/h
83 mm
0 cm
Mar Current
19 °C
30 °C
12 km/h
112 mm
0 cm
Apr
19 °C
28 °C
10 km/h
162 mm
0 cm
May
19 °C
29 °C
10 km/h
49 mm
0 cm
Jun
19 °C
29 °C
11 km/h
13 mm
0 cm
Jul
18 °C
30 °C
12 km/h
10 mm
0 cm
Aug
19 °C
30 °C
13 km/h
22 mm
0 cm
Sep
20 °C
31 °C
13 km/h
33 mm
0 cm
Oct
20 °C
31 °C
14 km/h
83 mm
0 cm
Nov
19 °C
29 °C
12 km/h
154 mm
0 cm
Dec
19 °C
28 °C
11 km/h
126 mm
0 cm
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Metric (°C, km/h)