Georgetown climate — normals and trends
Georgetown (United States) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 19.4 °C and it receives 844 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 (28.8 °C on average) and the coldest is January (8.9 °C). Rainfall peaks in May.
Georgetown averages 17 frost days, 122 hot days (≥ 30 °C) and 95 rainy days per year.
Georgetown has warmed by +1.8 °C between 1940 and 2025, or +0.21 °C per decade. This trend is statistically significant.
The hottest day of the period reached 42.3 °C (on 23 July 2018) and the coldest -17.8 °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
GeorgetownTexas
- coords
- 30.63°, -97.68°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
19.4°C
Average daily high
25.0°C
Average daily low
14.4°C
Annual rainfall
844mm
Sunshine / day
9.4h
Mean relative humidity
66%
Average peak wind
19.6km/h
Seasonal range
19.9°C
Frost days (< 0 °C)
17 d/yr
Hot days (≥ 30 °C)
122 d/yr
Rainy days (≥ 1 mm)
95 d/yr
Annual snowfall
2.0 cm
Average feels-like high
24.9 °C
Average feels-like low
13.5 °C
Average peak gust
37.9 km/h
Tropical nights (≥ 20 °C)
127 d/yr
Solar radiation
17.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °C
since 1940
+0.2 °C per decade · r² = 0.40 · 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
42.3 °C
23 July 2018
Coldest day
-17.8 °C
31 January 1949
Wettest day
230 mm
5 July 2025
Windiest day
62.9 km/h
12 September 1961
Strongest gust
125.6 km/h
12 September 1961
Hottest feels-like
45.1 °C
23 July 2018
Coldest feels-like
-22.6 °C
31 January 1949
Snowiest day
9.5 cm
10 January 2021
Sunniest day
13.3 h
5 July 1947
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 | 12.5 °C | -2.2 °C | 80 mm | +25 mm |
| Feb | 17.6 °C | +0.7 °C | 29 mm | -37 mm |
| Mar | 26.3 °C | +5.3 °C | 62 mm | -11 mm |
| Apr | 27.7 °C | +2.7 °C | 87 mm | -4 mm |
| May | 30.1 °C | +1.7 °C | 149 mm | +27 mm |
| Jun | 33.2 °C | +1.1 °C | 100 mm | +31 mm |
| Jul | 32.0 °C | -2.2 °C | 395 mm | +350 mm |
| Aug | 34.2 °C | -0.3 °C | 31 mm | -18 mm |
| Sep | 33.1 °C | +2.1 °C | 31 mm | -40 mm |
| Oct | 30.0 °C | +3.7 °C | 37 mm | -42 mm |
| Nov | 24.3 °C | +4.1 °C | 38 mm | -29 mm |
| Dec | 19.3 °C | +3.1 °C | 10 mm | -48 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 Georgetown?
Georgetown has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 19.4 °C and it receives 844 mm of precipitation per year.
What is the hottest day ever recorded in Georgetown?
The hottest day measured in Georgetown between 1940 and 2025 was 23 July 2018, reaching 42.3 °C.
What is the coldest day in Georgetown?
The coldest day measured in Georgetown between 1940 and 2025 was 31 January 1949, at -17.8 °C.
Does it snow in Georgetown?
Yes. Georgetown gets on average 2.0 cm of snow per year and has around 17 frost days.
Has the climate of Georgetown warmed?
Yes: Georgetown warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Georgetown?
The wettest day measured in Georgetown between 1940 and 2025 was 5 July 2025, with 230 mm of rain in 24 hours.
What was the windiest day in Georgetown?
The windiest day measured in Georgetown between 1940 and 2025 was 12 September 1961, with winds reaching 62.9 km/h.
What is the warmest month in Georgetown?
The warmest month in Georgetown is August (28.8 °C on average); the coldest is January (8.9 °C).
How much does it rain in Georgetown?
Georgetown receives on average 844 mm of precipitation per year, spread over about 95 rainy days.
Is it sunny in Georgetown?
Georgetown gets on average 9.4 hours of sunshine per day, roughly 3,431 hours per year over 1940-2025.
What is the biggest single-day snowfall in Georgetown?
The heaviest 24-hour snowfall measured in Georgetown between 1940 and 2025 was 10 January 2021, with 9.5 cm.
Are there tropical nights in Georgetown?
Yes: Georgetown has on average 127 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Georgetown?
In Georgetown, between 1940 and 2025, the highest apparent temperature reached 45.1 °C on 23 July 2018, and the lowest was -22.6 °C on 31 January 1949.
Compare Georgetown with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Georgetown