Musanze weather in May

In May, Musanze has daytime highs averaging 22 °C, nights around 15 °C, with 18 wet days. Figures are 1991–2020 climate normals.

  1. Jan 19°
  2. Feb 19°
  3. Mar 19°
  4. Apr 18°
  5. May 18°
  6. Jun 19°
  7. Jul 19°
  8. Aug 19°
  9. Sep 19°
  10. Oct 18°
  11. Nov 18°
  12. Dec 18°

Daily temperatures through May

12°19°25°18152229
Daily highDaily low Day of month on the horizontal axis. Highs peak at 22.4 °C and lows bottom out at 14.8 °C.

How May develops

Averages for the first, middle and last part of the month, from daily 1991–2020 normals. Chance of rain is the share of years in which that calendar day recorded more than 1 mm.

DaysAvg highAvg lowChance of rain
1–10 May21.8 °C15.0 °C84 %
11–20 May21.9 °C15.1 °C58 %
21–31 May22.1 °C15.3 °C38 %
0%50%100%151015202530
Chance of a wet day (over 1 mm) by date in May. Wettest date over the 30 years: May 2, at 97 %. Single dates are noisy — read the shape, not the spikes.

What to expect

Measure Typical May Share of the month
Days above 25 °C 0.03 of 31 0 %
Days above 30 °C 0 of 31 0 %
Days below 0 °C 0 of 31 0 %
Days with more than 1 mm rain 18 of 31 59 %

Conditions in May

MeasureAverage
Mean temperature 18 °C
Record high (1991–2020) 25 °C
Record low (1991–2020) 10 °C
Relative humidity 81 %
Wind speed 10 km/h
Cloud cover 76 %

Where Musanze ranks in May

RankingPositionValue
The coolest places in Africa in May40thof 5022 °C

May compared with the months around it

Month Avg high Rainfall Cloud
March 23.2 °C 211 mm 80 %
April 22.2 °C 183 mm 85 %
May 21.9 °C 121 mm 76 %
June 22.4 °C 37 mm 66 %
July 23.1 °C 17 mm 62 %

See all twelve months for Musanze

Nearby destinations in May

Destination Avg high Wet days
Musanze 22 °C 18
Gisenyi 23 °C 22
Goma 22 °C 22
Kigali 24 °C 15
Bukavu 24 °C 15

QuestionsMay in Musanze, answered

How warm is Musanze in May?

Daily highs average 22 °C and nights fall to about 15 °C, a spread of 6.8 °C between afternoon and dawn. That makes May the 10th warmest month of the year here.

Does it rain much in Musanze in May?

May averages 121 mm of rain, spread over about 18 of the 31 days — 59 % of the month. Cloud cover averages 76 % of the sky.

How long are the days in May?

Musanze averages 12 hours between sunrise and sunset in May. Day length is computed from latitude and date, so it is exact rather than modelled — but it says nothing about how much of that time is sunny.

Data sources and method

Normal period
1991–2020
Dataset version
era5-1991-2020-scores1.1
Last processed

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: daylight hours, beach and comfort scores, monthly rankings, threshold day counts, chance of a wet day by date, ten-day averages within the month. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.