Vyanda climate — normals and trends
Vyanda (Burundi) has a tropical monsoon climate (Am) under the Köppen-Geiger classification. Its mean annual temperature is 21.0 °C and it receives 4,619 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is September (21.8 °C on average) and the coldest is July (20.5 °C). Rainfall peaks in December.
Vyanda averages 0 frost days, 0 hot days (≥ 30 °C) and 303 rainy days per year.
Vyanda has warmed by +1.4 °C between 1940 and 2025, or +0.16 °C per decade. This trend is statistically significant.
The hottest day of the period reached 30.5 °C (on 20 September 1944) and the coldest 13.8 °C (on 4 August 1960).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
VyandaBururi Province
- coords
- -4.10°, 29.61°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
21.0°C
Average daily high
23.6°C
Average daily low
18.7°C
Annual rainfall
4,619mm
Sunshine / day
9.7h
Mean relative humidity
81%
Average peak wind
9.7km/h
Seasonal range
1.3°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
303 d/yr
Annual snowfall
0.0 cm
Average feels-like high
26.2 °C
Average feels-like low
20.4 °C
Average peak gust
29.6 km/h
Tropical nights (≥ 20 °C)
35 d/yr
Solar radiation
17.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.4 °C
since 1940
+0.2 °C per decade · r² = 0.67 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
30.5 °C
20 September 1944
Coldest day
13.8 °C
4 August 1960
Wettest day
184 mm
31 December 1985
Windiest day
19.2 km/h
5 January 1941
Strongest gust
52.2 km/h
30 March 1981
Hottest feels-like
33.8 °C
2 February 2010
Coldest feels-like
13.6 °C
21 July 1958
Sunniest day
12.0 h
2 January 1940
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 24.4 °C | +1.0 °C | 663 mm | +97 mm |
| Feb | 25.3 °C | +1.5 °C | 461 mm | -38 mm |
| Mar | 25.0 °C | +1.3 °C | 560 mm | +16 mm |
| Apr | 24.4 °C | +1.3 °C | 721 mm | +171 mm |
| May | 23.8 °C | +0.5 °C | 489 mm | +115 mm |
| Jun | 24.2 °C | +0.9 °C | 167 mm | +49 mm |
| Jul | 23.7 °C | +0.4 °C | 109 mm | +58 mm |
| Aug | 24.2 °C | -0.1 °C | 52 mm | -19 mm |
| Sep | 25.7 °C | +1.1 °C | 92 mm | -101 mm |
| Oct | 25.1 °C | +1.2 °C | 298 mm | -141 mm |
| Nov | 24.4 °C | +1.4 °C | 426 mm | -168 mm |
| Dec | 23.8 °C | +0.8 °C | 572 mm | -47 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Vyanda?
Vyanda has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 21.0 °C and it receives 4,619 mm of precipitation per year.
What is the hottest day ever recorded in Vyanda?
The hottest day measured in Vyanda between 1940 and 2025 was 20 September 1944, reaching 30.5 °C.
What is the coldest day in Vyanda?
The coldest day measured in Vyanda between 1940 and 2025 was 4 August 1960, at 13.8 °C.
Does it snow in Vyanda?
Almost never: Vyanda sees virtually no snow, with about 0 frost days per year.
Has the climate of Vyanda warmed?
Yes: Vyanda warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Vyanda?
The wettest day measured in Vyanda between 1940 and 2025 was 31 December 1985, with 184 mm of rain in 24 hours.
What was the windiest day in Vyanda?
The windiest day measured in Vyanda between 1940 and 2025 was 5 January 1941, with winds reaching 19.2 km/h.
What is the warmest month in Vyanda?
The warmest month in Vyanda is September (21.8 °C on average); the coldest is July (20.5 °C).
How much does it rain in Vyanda?
Vyanda receives on average 4,619 mm of precipitation per year, spread over about 303 rainy days.
Is it sunny in Vyanda?
Vyanda gets on average 9.7 hours of sunshine per day, roughly 3,540 hours per year over 1940-2025.
Are there tropical nights in Vyanda?
Yes: Vyanda has on average 35 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Vyanda?
In Vyanda, between 1940 and 2025, the highest apparent temperature reached 33.8 °C on 2 February 2010, and the lowest was 13.6 °C on 21 July 1958.
Compare Vyanda with another city
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Nearby cities
The climate around Vyanda