Dumas climate — normals and trends
Dumas (United States) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 14.0 °C and it receives 466 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 (26.1 °C on average) and the coldest is January (1.7 °C). Rainfall peaks in May.
Dumas averages 88 frost days, 89 hot days (≥ 30 °C) and 71 rainy days per year.
Dumas has warmed by +1.5 °C between 1940 and 2025, or +0.17 °C per decade. This trend is statistically significant.
The number of frost days there went from about 95 to 81 per year over the period.
The hottest day of the period reached 43.1 °C (on 26 June 2011) and the coldest -28.4 °C (on 1 February 1951).
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
DumasTexas
- coords
- 35.87°, -101.97°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
14.0°C
Average daily high
21.2°C
Average daily low
7.8°C
Annual rainfall
466mm
Sunshine / day
10.6h
Mean relative humidity
53%
Average peak wind
25.0km/h
Seasonal range
24.4°C
Frost days (< 0 °C)
88 d/yr
Hot days (≥ 30 °C)
89 d/yr
Rainy days (≥ 1 mm)
71 d/yr
Annual snowfall
34.5 cm
Average feels-like high
18.1 °C
Average feels-like low
4.3 °C
Average peak gust
43.9 km/h
Tropical nights (≥ 20 °C)
33 d/yr
Solar radiation
19.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.5 °C
since 1940
+0.2 °C per decade · r² = 0.33 · 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
43.1 °C
26 June 2011
Coldest day
-28.4 °C
1 February 1951
Wettest day
73 mm
12 September 1989
Windiest day
69.8 km/h
13 March 2019
Strongest gust
118.4 km/h
13 March 2019
Hottest feels-like
42.8 °C
27 June 1998
Coldest feels-like
-34.3 °C
1 February 1951
Snowiest day
26.3 cm
4 February 1964
Sunniest day
14.0 h
28 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 | 6.7 °C | -2.3 °C | 8 mm | -9 mm |
| Feb | 12.4 °C | +1.0 °C | 2 mm | -17 mm |
| Mar | 20.0 °C | +3.9 °C | 18 mm | -14 mm |
| Apr | 22.3 °C | +1.2 °C | 69 mm | +29 mm |
| May | 24.4 °C | -1.3 °C | 54 mm | -13 mm |
| Jun | 30.7 °C | -0.2 °C | 74 mm | +19 mm |
| Jul | 32.1 °C | -0.6 °C | 78 mm | +25 mm |
| Aug | 32.1 °C | +0.3 °C | 53 mm | -6 mm |
| Sep | 29.0 °C | +1.1 °C | 32 mm | -11 mm |
| Oct | 24.0 °C | +1.8 °C | 21 mm | -19 mm |
| Nov | 18.2 °C | +3.2 °C | 18 mm | -4 mm |
| Dec | 16.0 °C | +5.8 °C | 4 mm | -16 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 Dumas?
Dumas has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 14.0 °C and it receives 466 mm of precipitation per year.
What is the hottest day ever recorded in Dumas?
The hottest day measured in Dumas between 1940 and 2025 was 26 June 2011, reaching 43.1 °C.
What is the coldest day in Dumas?
The coldest day measured in Dumas between 1940 and 2025 was 1 February 1951, at -28.4 °C.
Does it snow in Dumas?
Yes. Dumas gets on average 34.5 cm of snow per year and has around 88 frost days.
Has the climate of Dumas warmed?
Yes: Dumas warmed by +1.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Dumas?
The wettest day measured in Dumas between 1940 and 2025 was 12 September 1989, with 73 mm of rain in 24 hours.
What was the windiest day in Dumas?
The windiest day measured in Dumas between 1940 and 2025 was 13 March 2019, with winds reaching 69.8 km/h.
What is the warmest month in Dumas?
The warmest month in Dumas is July (26.1 °C on average); the coldest is January (1.7 °C).
How much does it rain in Dumas?
Dumas receives on average 466 mm of precipitation per year, spread over about 71 rainy days.
Is it sunny in Dumas?
Dumas gets on average 10.6 hours of sunshine per day, roughly 3,869 hours per year over 1940-2025.
What is the biggest single-day snowfall in Dumas?
The heaviest 24-hour snowfall measured in Dumas between 1940 and 2025 was 4 February 1964, with 26.3 cm.
Are there tropical nights in Dumas?
Yes: Dumas has on average 33 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Dumas?
In Dumas, between 1940 and 2025, the highest apparent temperature reached 42.8 °C on 27 June 1998, and the lowest was -34.3 °C on 1 February 1951.
Compare Dumas with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Dumas