Bryan climate — normals and trends
Bryan (United States) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 19.9 °C and it receives 981 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 August (29.1 °C on average) and the coldest is January (9.7 °C). Rainfall peaks in May.
Bryan averages 15 frost days, 130 hot days (≥ 30 °C) and 104 rainy days per year.
Bryan has warmed by +1.9 °C between 1940 and 2025, or +0.23 °C per decade. This trend is statistically significant.
The hottest day of the period reached 43.0 °C (on 27 August 2023) and the coldest -21.2 °C (on 31 January 1949).
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
BryanTexas
- coords
- 30.67°, -96.37°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
19.9°C
Average daily high
25.5°C
Average daily low
14.9°C
Annual rainfall
981mm
Sunshine / day
9.3h
Mean relative humidity
70%
Average peak wind
18.7km/h
Seasonal range
19.4°C
Frost days (< 0 °C)
15 d/yr
Hot days (≥ 30 °C)
130 d/yr
Rainy days (≥ 1 mm)
104 d/yr
Annual snowfall
1.5 cm
Average feels-like high
26.0 °C
Average feels-like low
14.6 °C
Average peak gust
36.1 km/h
Tropical nights (≥ 20 °C)
136 d/yr
Solar radiation
16.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °C
since 1940
+0.2 °C per decade · r² = 0.47 · 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
43.0 °C
27 August 2023
Coldest day
-21.2 °C
31 January 1949
Wettest day
165 mm
18 June 1961
Windiest day
62.8 km/h
12 September 1961
Strongest gust
134.6 km/h
12 September 1961
Hottest feels-like
45.6 °C
23 July 2018
Coldest feels-like
-25.8 °C
31 January 1949
Snowiest day
9.9 cm
16 January 1964
Sunniest day
13.3 h
10 June 2020
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 | 13.3 °C | -1.9 °C | 75 mm | -4 mm |
| Feb | 18.2 °C | +0.9 °C | 80 mm | +1 mm |
| Mar | 25.6 °C | +4.4 °C | 75 mm | -12 mm |
| Apr | 28.6 °C | +3.4 °C | 82 mm | -29 mm |
| May | 31.0 °C | +2.0 °C | 232 mm | +113 mm |
| Jun | 32.5 °C | +0.1 °C | 148 mm | +73 mm |
| Jul | 34.3 °C | 0.0 °C | 89 mm | +39 mm |
| Aug | 35.7 °C | +0.9 °C | 99 mm | +43 mm |
| Sep | 33.9 °C | +2.1 °C | 8 mm | -65 mm |
| Oct | 31.0 °C | +3.9 °C | 61 mm | -22 mm |
| Nov | 24.9 °C | +4.0 °C | 66 mm | -19 mm |
| Dec | 19.5 °C | +2.7 °C | 18 mm | -65 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 Bryan?
Bryan has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 19.9 °C and it receives 981 mm of precipitation per year.
What is the hottest day ever recorded in Bryan?
The hottest day measured in Bryan between 1940 and 2025 was 27 August 2023, reaching 43.0 °C.
What is the coldest day in Bryan?
The coldest day measured in Bryan between 1940 and 2025 was 31 January 1949, at -21.2 °C.
Does it snow in Bryan?
Yes. Bryan gets on average 1.5 cm of snow per year and has around 15 frost days.
Has the climate of Bryan warmed?
Yes: Bryan warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Bryan?
The wettest day measured in Bryan between 1940 and 2025 was 18 June 1961, with 165 mm of rain in 24 hours.
What was the windiest day in Bryan?
The windiest day measured in Bryan between 1940 and 2025 was 12 September 1961, with winds reaching 62.8 km/h.
What is the warmest month in Bryan?
The warmest month in Bryan is August (29.1 °C on average); the coldest is January (9.7 °C).
How much does it rain in Bryan?
Bryan receives on average 981 mm of precipitation per year, spread over about 104 rainy days.
Is it sunny in Bryan?
Bryan gets on average 9.3 hours of sunshine per day, roughly 3,395 hours per year over 1940-2025.
What is the biggest single-day snowfall in Bryan?
The heaviest 24-hour snowfall measured in Bryan between 1940 and 2025 was 16 January 1964, with 9.9 cm.
Are there tropical nights in Bryan?
Yes: Bryan has on average 136 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Bryan?
In Bryan, between 1940 and 2025, the highest apparent temperature reached 45.6 °C on 23 July 2018, and the lowest was -25.8 °C on 31 January 1949.
Compare Bryan with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Bryan