Climate Insights for Nanhyanga

Tandahimba, Mtwara Region, Tanzania

Hottest
November
31°C peak
Coldest
July
17°C low
Wettest
January
293mm rain
Best to Visit
May, June, July
Mild temps & low rain

Climate Overview

The climate in Nanhyanga is warm and mild. The average annual temperature is 24°C and approximately 1075mm of precipitation falls per year. January is the wettest month, receiving around 293mm of rainfall. Nanhyanga is in the Southern Hemisphere. The seasons are reversed — summer runs from December to February, while winter falls between June and August. The summer months are: November, December, October. The coldest months are July, August, June, when temperatures can drop to 17°C.

Temperature

10° 20° 30° 40° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 29° Average: 25° Min: 22° Feb Max: 30° Average: 25° Min: 22° Mar Max: 29° Average: 25° Min: 22° Apr Max: 29° Average: 25° Min: 21° May Max: 29° Average: 24° Min: 19° Jun Max: 28° Average: 22° Min: 17° Jul Max: 28° Average: 22° Min: 17° Aug Max: 28° Average: 22° Min: 17° Sep Max: 29° Average: 23° Min: 18° Oct Max: 30° Average: 24° Min: 19° Nov Max: 31° Average: 25° Min: 21° Dec Max: 31° Average: 26° Min: 22°
Max
Average
Min

Nanhyanga sees moderate temperature variation throughout the year, ranging from 17°C to 31°C. The warmest month is November, when average highs reach 31°C and the mean temperature sits around 25°C. July is the coolest month, with minimum temperatures around 17°C and an average of 22°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs.

Precipitation

0mm 50mm 100mm 150mm 200mm 250mm 300mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 293mm Feb Precipitation: 241mm Mar Precipitation: 196mm Apr Precipitation: 109mm May Precipitation: 14mm Jun Precipitation: 4mm Jul Precipitation: 3mm Aug Precipitation: 4mm Sep Precipitation: 8mm Oct Precipitation: 21mm Nov Precipitation: 45mm Dec Precipitation: 137mm
Precipitation

Nanhyanga is a moderately rainy area, receiving approximately 1075mm of precipitation annually, which averages out to around 90mm per month. The wettest month is January, averaging 293mm of rainfall. February and March also tend to see above-average precipitation. The driest month is July, with just 3mm. That's 291mm 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 20km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 12km/h Feb Wind Speed: 11km/h Mar Wind Speed: 10km/h Apr Wind Speed: 12km/h May Wind Speed: 13km/h Jun Wind Speed: 14km/h Jul Wind Speed: 14km/h Aug Wind Speed: 15km/h Sep Wind Speed: 16km/h Oct Wind Speed: 16km/h Nov Wind Speed: 15km/h Dec Wind Speed: 13km/h
Wind Speed

Nanhyanga is mildly breezy, with an average annual wind speed of 14km/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 16km/h, though still comfortable for most outdoor activities. The calmest conditions occur in March, with average winds dropping to 10km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 6km/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 14km/h in winter, 16km/h in spring, 12km/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 Nanhyanga, which began on March 20, 2026. Nanhyanga is in the Southern Hemisphere, where the seasons are reversed — spring starts in September, summer in December, autumn in March, and winter in June. The warmest period peaks in November at around 31°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 31°C. Rainfall is relatively light, with around 74mm over the season and a monthly average of 25mm. Winds are moderate at around 16km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.

Summer

Temperatures range from 22 to 31°C. Rainfall is heavy, totalling around 672mm across the season with a monthly average of 224mm. Winds are generally light, averaging 12km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 19 to 29°C. Rainfall is heavy, totalling around 319mm across the season with a monthly average of 106mm. 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 28°C. Precipitation is minimal, with only around 10mm for the entire season. Winds are generally light, averaging 14km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Best Time to Visit

Jan 25°
Feb 25°
Mar 25°
Apr 25°
May 24°
Jun 22°
Jul 22°
Aug 22°
Sep 23°
Oct 24°
Nov 25°
Dec 26°

The best time to visit Nanhyanga is during May, June, July, August, September and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 23°C with modest rainfall averaging 9mm per month. By contrast, November can be uncomfortably hot with temperatures reaching 31°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

Monthly Climate Data

The table below shows monthly climate averages for Nanhyanga 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
22 °C
29 °C
12 km/h
293 mm
0 cm
Feb
22 °C
30 °C
11 km/h
241 mm
0 cm
Mar Current
22 °C
29 °C
10 km/h
196 mm
0 cm
Apr
21 °C
29 °C
12 km/h
109 mm
0 cm
May
19 °C
29 °C
13 km/h
14 mm
0 cm
Jun
17 °C
28 °C
14 km/h
4 mm
0 cm
Jul
17 °C
28 °C
14 km/h
3 mm
0 cm
Aug
17 °C
28 °C
15 km/h
4 mm
0 cm
Sep
18 °C
29 °C
16 km/h
8 mm
0 cm
Oct
19 °C
30 °C
16 km/h
21 mm
0 cm
Nov
21 °C
31 °C
15 km/h
45 mm
0 cm
Dec
22 °C
31 °C
13 km/h
137 mm
0 cm
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Metric (°C, km/h)