Grapevine climate — normals and trends
Grapevine (United States) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 18.5 °C and it receives 926 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 (29.2 °C on average) and the coldest is January (6.9 °C). Rainfall peaks in May.
Grapevine averages 25 frost days, 113 hot days (≥ 30 °C) and 88 rainy days per year.
Grapevine has warmed by +1.7 °C between 1940 and 2025, or +0.20 °C per decade. This trend is statistically significant.
The hottest day of the period reached 42.9 °C (on 18 August 2023) and the coldest -18.0 °C (on 23 December 1989).
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
GrapevineTexas
- coords
- 32.93°, -97.08°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
18.5°C
Average daily high
23.9°C
Average daily low
13.7°C
Annual rainfall
926mm
Sunshine / day
9.5h
Mean relative humidity
66%
Average peak wind
20.5km/h
Seasonal range
22.3°C
Frost days (< 0 °C)
25 d/yr
Hot days (≥ 30 °C)
113 d/yr
Rainy days (≥ 1 mm)
88 d/yr
Annual snowfall
5.6 cm
Average feels-like high
23.6 °C
Average feels-like low
12.5 °C
Average peak gust
37.4 km/h
Tropical nights (≥ 20 °C)
120 d/yr
Solar radiation
17.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.7 °C
since 1940
+0.2 °C per decade · r² = 0.38 · 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
42.9 °C
18 August 2023
Coldest day
-18.0 °C
23 December 1989
Wettest day
145 mm
19 May 1955
Windiest day
50.5 km/h
15 November 1988
Strongest gust
96.1 km/h
12 September 1961
Hottest feels-like
46.1 °C
27 June 1980
Coldest feels-like
-23.8 °C
23 December 1989
Snowiest day
14.3 cm
9 January 2025
Sunniest day
13.6 h
5 July 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 | 11.1 °C | -1.3 °C | 114 mm | +56 mm |
| Feb | 15.3 °C | +0.5 °C | 36 mm | -31 mm |
| Mar | 23.6 °C | +4.4 °C | 73 mm | -17 mm |
| Apr | 25.2 °C | +1.5 °C | 115 mm | +1 mm |
| May | 28.1 °C | +0.5 °C | 78 mm | -59 mm |
| Jun | 32.2 °C | +0.5 °C | 80 mm | +5 mm |
| Jul | 34.2 °C | 0.0 °C | 58 mm | +17 mm |
| Aug | 34.0 °C | -0.4 °C | 66 mm | +21 mm |
| Sep | 32.2 °C | +1.7 °C | 12 mm | -55 mm |
| Oct | 28.4 °C | +3.1 °C | 58 mm | -28 mm |
| Nov | 22.6 °C | +4.0 °C | 126 mm | +43 mm |
| Dec | 17.0 °C | +3.0 °C | 9 mm | -56 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 Grapevine?
Grapevine has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 18.5 °C and it receives 926 mm of precipitation per year.
What is the hottest day ever recorded in Grapevine?
The hottest day measured in Grapevine between 1940 and 2025 was 18 August 2023, reaching 42.9 °C.
What is the coldest day in Grapevine?
The coldest day measured in Grapevine between 1940 and 2025 was 23 December 1989, at -18.0 °C.
Does it snow in Grapevine?
Yes. Grapevine gets on average 5.6 cm of snow per year and has around 25 frost days.
Has the climate of Grapevine warmed?
Yes: Grapevine warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Grapevine?
The wettest day measured in Grapevine between 1940 and 2025 was 19 May 1955, with 145 mm of rain in 24 hours.
What was the windiest day in Grapevine?
The windiest day measured in Grapevine between 1940 and 2025 was 15 November 1988, with winds reaching 50.5 km/h.
What is the warmest month in Grapevine?
The warmest month in Grapevine is July (29.2 °C on average); the coldest is January (6.9 °C).
How much does it rain in Grapevine?
Grapevine receives on average 926 mm of precipitation per year, spread over about 88 rainy days.
Is it sunny in Grapevine?
Grapevine gets on average 9.5 hours of sunshine per day, roughly 3,468 hours per year over 1940-2025.
What is the biggest single-day snowfall in Grapevine?
The heaviest 24-hour snowfall measured in Grapevine between 1940 and 2025 was 9 January 2025, with 14.3 cm.
Are there tropical nights in Grapevine?
Yes: Grapevine has on average 120 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Grapevine?
In Grapevine, between 1940 and 2025, the highest apparent temperature reached 46.1 °C on 27 June 1980, and the lowest was -23.8 °C on 23 December 1989.
Compare Grapevine with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Grapevine