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Arusha in May: Weather, Average temperature and Climate

Discover the weather for Arusha in May and if it’s a good time to travel (based on historical data).
Check flight prices to Arusha on Avionero:
May

Weather in Arusha in May 2025

OK Weather
Warm
🌧️
Rainy
May could be a good time to visit Arusha, as the weather is generally fine. The average high temperature is around +75°F, and there are typically 0 sunny days in May. However, expect about 25 rainy days, and total monthly rainfall of approximately 90 mm. The weather is changeable so pack for every eventuality. Search flights in one click on Avionero.
Good to know:
  • May is usually the wettest month of the year in Arusha;

Average weather

☀️
+75°F
Avg. max. temperature
+54°F
Min.
+84°F
Max.
90 mm
Total precipitation
81%
Avg. humidity
2 m/s
Avg. wind
0 ☀️
Sunny Days
6 ⛅️
Cloudy
25 🌦
Rainy
Our opinion: Arusha has OK weather in May.

Average temperature in Arusha in May

Here are the expected maximum, average and minimum temperatures in Arusha for May based on the historical data.
Last Year
Historical Data

The expected average maximum temperature in May is +77°F with a maximum of +82°F and a minimum of +59°F.

The average maximum temperature goes up 8% by the end of the month, compared with the beginning of the month, from +72°F to +73°F.

Is Arusha warm or cold in May?

Arusha is typically warm in May.

Maximum temperatures go down compared to the previous month from +79°F to +75°F. The minimum temperature also goes down from +64°F to +61°F.

It’s generally warm, but pack a long-sleeve shirt for evenings.

May is one of the coolest months in Arusha, here is the comparison with other months:

Climate in Arusha in May

Arusha weather looks like this, on average, in May and the surrounding months.
AprilMayJune
Avg. temperature
+79°F+75°F+73°F
Min. temperature
+59°F+54°F+48°F
Max. temperature
+88°F+84°F+82°F
Rainfall
158 mm90 mm22 mm
Wind
2 m/s2 m/s2 m/s
Humidity
80%81%78%
Air pressure
1013 HPa1015 HPa1017 HPa
Sunny days
001
Cloudy days
1612
Rainy days
282517
Snowy days
000

May weather is still as ok as in April. It’s getting colder in May. From +79°F in the day, the average maximum temperature lowers to +75°F. As May arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 158 mm to 90 mm. Humidity rises from 80% to 81%. The average wind speed doesn’t change much during May, staying around 2 m/s. The amount of sunny days stay about the same, averaging 0 sunny days during the month.

But maybe it is worth considering traveling in June as the weather gets better.

Wind

Wind speed in Arusha in May based on historical data.
Last Year
Historical Data

The average wind speed is 4 m/s getting up to 5 m/s which is a light breeze; barely moving the tree leaves.

The average wind speed in Arusha is gradually increasing during May, going from 2 m/s to 4 m/s over the course of the month.

Rain

Amount of rainfall in mm during May in Arusha based on historical data.
Last Year
Historical Data
Total precipitation in May is about 49 mm, with a 68% chance of rain on a typical day. The maximum amount of rainfall per day is around 15 mm, which is considered light rain. May is a pretty wet month with over 21 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
May is one of the rainiest months in Arusha, here is a comparison with other months, total mm:
Arusha wettest month is April, where a typical day has a 93% chance of precipitation and 158 mm of rainfall per day. September, on the other hand, is the driest month with a mere 40% chance of precipitation and 10 mm of rainfall per day.

How was the weather last May in Arusha?

This is the weather in Arusha in May 2023:
1 May
☁️
+71°F
2 May
☁️
+74°F
3 May
☁️
+72°F
4 May
☁️
+75°F
5 May
☁️
+77°F
6 May
☁️
+78°F
7 May
☁️
+79°F
8 May
☀️
+77°F
9 May
🌧️
+75°F
10 May
🌧️
+76°F
11 May
☁️
+75°F
12 May
☀️
+79°F
13 May
☁️
+77°F
14 May
☁️
+78°F
15 May
☁️
+79°F
16 May
☁️
+80°F
17 May
☁️
+78°F
18 May
☁️
+79°F
19 May
☀️
+79°F
20 May
☀️
+82°F
21 May
☁️
+81°F
22 May
☀️
+81°F
23 May
☁️
+77°F
24 May
☁️
+77°F
25 May
☁️
+77°F
26 May
☀️
+79°F
27 May
☁️
+76°F
28 May
☁️
+73°F
29 May
🌧️
+66°F
30 May
☁️
+70°F
31 May
☁️
+74°F
In May 2023 Arusha had 6 sunny days, 22 cloudy days, and 3 rainy days. The average maximum temperature was +77°F, with an absolute maximum of +82°F and a minimum of +66°F. The average humidity was 80%, with a maximum of 100% and a minimum of 45%. The average wind speed was 4 m/s, with a maximum of 10 m/s and a minimum of 0 m/s.
Are you planning a trip in May?

Climate Change Over the Years

This is how Arusha climate has changed over the last 43 years.

The climate in Arusha in May has not changed that much over the last 43 years.

The average temperature was the lowest in 1989 (+77°F) and the highest in 2003 (+81°F). The driest year was 2009 with only 376 mm of rainfall, and the wettest year was 2020 with 1067 mm.

FAQ

Frequently asked questions about the weather in Arusha in May:

Is May a good time to visit Arusha?

It’s always a good time to visit Arusha, but the weather is changeable in May, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Arusha in May?

May is warm in Arusha. You may enjoy some beach or pool time in the day, but pack something a tad warmer for the evening.

Is Arusha rainy in May?

Arusha is often rainy in May. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Arusha in May?

Usually, it’s not very sunny in Arusha in May, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in Tanzania

Check out the weather for other cities in Tanzania.

Monthly weather in Arusha

Source of the data

For this page, we’ve looked at the typical weather in Arusha, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.