Mehtar Lam climate — normals and trends
Mehtar Lam (Afghanistan) has a cold semi-arid climate (BSk) under the Köppen-Geiger classification. Its mean annual temperature is 15.1 °C and it receives 379 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 July (26.3 °C on average) and the coldest is January (1.7 °C). Rainfall peaks in March.
Mehtar Lam averages 69 frost days, 86 hot days (≥ 30 °C) and 69 rainy days per year.
Mehtar Lam has warmed by +2.1 °C between 1940 and 2025, or +0.25 °C per decade. This trend is statistically significant.
The number of frost days there went from about 87 to 51 per year over the period.
The hottest day of the period reached 40.3 °C (on 23 June 2005) and the coldest -15.6 °C (on 12 February 1950).
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
Mehtar LamLaghman
- coords
- 34.67°, 70.21°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
15.1°C
Average daily high
21.2°C
Average daily low
9.3°C
Annual rainfall
379mm
Sunshine / day
10.9h
Mean relative humidity
45%
Average peak wind
9.0km/h
Seasonal range
24.6°C
Frost days (< 0 °C)
69 d/yr
Hot days (≥ 30 °C)
86 d/yr
Rainy days (≥ 1 mm)
69 d/yr
Annual snowfall
50.4 cm
Average feels-like high
19.6 °C
Average feels-like low
6.8 °C
Average peak gust
30.2 km/h
Tropical nights (≥ 20 °C)
50 d/yr
Solar radiation
19.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.1 °C
since 1940
+0.3 °C per decade · r² = 0.43 · 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
40.3 °C
23 June 2005
Coldest day
-15.6 °C
12 February 1950
Wettest day
89 mm
28 July 2010
Windiest day
19.1 km/h
6 June 1945
Strongest gust
72.0 km/h
18 May 1986
Hottest feels-like
40.5 °C
9 July 1998
Coldest feels-like
-20.9 °C
12 February 1950
Snowiest day
24.7 cm
2 February 1980
Sunniest day
13.8 h
8 June 1945
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 | 9.5 °C | +1.8 °C | 28 mm | -5 mm |
| Feb | 11.4 °C | +1.8 °C | 61 mm | +13 mm |
| Mar | 16.7 °C | +2.1 °C | 51 mm | -22 mm |
| Apr | 26.9 °C | +5.6 °C | 11 mm | -47 mm |
| May | 30.6 °C | +2.9 °C | 13 mm | -16 mm |
| Jun | 33.4 °C | +1.1 °C | 4 mm | -3 mm |
| Jul | 32.2 °C | +0.3 °C | 43 mm | +2 mm |
| Aug | 31.7 °C | +1.2 °C | 36 mm | -2 mm |
| Sep | 29.9 °C | +1.5 °C | 6 mm | -1 mm |
| Oct | 23.6 °C | +0.7 °C | 13 mm | +6 mm |
| Nov | 19.4 °C | +2.9 °C | 0 mm | -14 mm |
| Dec | 13.9 °C | +3.2 °C | 30 mm | +7 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 Mehtar Lam?
Mehtar Lam has a cold semi-arid climate (Köppen BSk). Over 1940-2025, the average annual temperature is 15.1 °C and it receives 379 mm of precipitation per year.
What is the hottest day ever recorded in Mehtar Lam?
The hottest day measured in Mehtar Lam between 1940 and 2025 was 23 June 2005, reaching 40.3 °C.
What is the coldest day in Mehtar Lam?
The coldest day measured in Mehtar Lam between 1940 and 2025 was 12 February 1950, at -15.6 °C.
Does it snow in Mehtar Lam?
Yes. Mehtar Lam gets on average 50.4 cm of snow per year and has around 69 frost days.
Has the climate of Mehtar Lam warmed?
Yes: Mehtar Lam warmed by +2.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Mehtar Lam?
The wettest day measured in Mehtar Lam between 1940 and 2025 was 28 July 2010, with 89 mm of rain in 24 hours.
What was the windiest day in Mehtar Lam?
The windiest day measured in Mehtar Lam between 1940 and 2025 was 6 June 1945, with winds reaching 19.1 km/h.
What is the warmest month in Mehtar Lam?
The warmest month in Mehtar Lam is July (26.3 °C on average); the coldest is January (1.7 °C).
How much does it rain in Mehtar Lam?
Mehtar Lam receives on average 379 mm of precipitation per year, spread over about 69 rainy days.
Is it sunny in Mehtar Lam?
Mehtar Lam gets on average 10.9 hours of sunshine per day, roughly 3,979 hours per year over 1940-2025.
What is the biggest single-day snowfall in Mehtar Lam?
The heaviest 24-hour snowfall measured in Mehtar Lam between 1940 and 2025 was 2 February 1980, with 24.7 cm.
Are there tropical nights in Mehtar Lam?
Yes: Mehtar Lam has on average 50 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Mehtar Lam?
In Mehtar Lam, between 1940 and 2025, the highest apparent temperature reached 40.5 °C on 9 July 1998, and the lowest was -20.9 °C on 12 February 1950.
Compare Mehtar Lam with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Mehtar Lam