Bartow climate — normals and trends
Bartow (United States) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 22.1 °C and it receives 1,012 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 (27.1 °C on average) and the coldest is January (15.5 °C). Rainfall peaks in July.
Bartow averages 2 frost days, 145 hot days (≥ 30 °C) and 139 rainy days per year.
Bartow has warmed by +1.5 °C between 1940 and 2025, or +0.17 °C per decade. This trend is statistically significant.
The hottest day of the period reached 39.3 °C (on 31 May 1945) and the coldest -7.3 °C (on 13 December 1962).
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
BartowFlorida
- coords
- 27.90°, -81.84°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
22.1°C
Average daily high
27.6°C
Average daily low
17.7°C
Annual rainfall
1,012mm
Sunshine / day
10.1h
Mean relative humidity
74%
Average peak wind
15.8km/h
Seasonal range
11.6°C
Frost days (< 0 °C)
2 d/yr
Hot days (≥ 30 °C)
145 d/yr
Rainy days (≥ 1 mm)
139 d/yr
Annual snowfall
0.0 cm
Average feels-like high
29.3 °C
Average feels-like low
18.8 °C
Average peak gust
33.4 km/h
Tropical nights (≥ 20 °C)
167 d/yr
Solar radiation
17.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.5 °C
since 1940
+0.2 °C per decade · r² = 0.37 · 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
39.3 °C
31 May 1945
Coldest day
-7.3 °C
13 December 1962
Wettest day
179 mm
28 September 2022
Windiest day
81.5 km/h
19 October 1944
Strongest gust
176.0 km/h
19 October 1944
Hottest feels-like
43.4 °C
5 August 2023
Coldest feels-like
-13.3 °C
13 December 1962
Snowiest day
0.4 cm
19 January 1977
Sunniest day
13.0 h
31 May 2024
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 | 19.1 °C | -2.3 °C | 43 mm | -4 mm |
| Feb | 25.3 °C | +2.5 °C | 91 mm | +39 mm |
| Mar | 25.9 °C | +0.6 °C | 25 mm | -41 mm |
| Apr | 29.6 °C | +1.5 °C | 7 mm | -46 mm |
| May | 31.8 °C | +1.0 °C | 114 mm | +46 mm |
| Jun | 31.8 °C | +0.1 °C | 162 mm | +15 mm |
| Jul | 32.5 °C | +0.6 °C | 223 mm | +65 mm |
| Aug | 32.2 °C | +0.3 °C | 248 mm | +92 mm |
| Sep | 30.6 °C | -0.3 °C | 130 mm | -7 mm |
| Oct | 27.8 °C | -0.6 °C | 90 mm | +33 mm |
| Nov | 24.8 °C | -0.3 °C | 11 mm | -23 mm |
| Dec | 23.9 °C | +1.5 °C | 19 mm | -18 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 Bartow?
Bartow has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 22.1 °C and it receives 1,012 mm of precipitation per year.
What is the hottest day ever recorded in Bartow?
The hottest day measured in Bartow between 1940 and 2025 was 31 May 1945, reaching 39.3 °C.
What is the coldest day in Bartow?
The coldest day measured in Bartow between 1940 and 2025 was 13 December 1962, at -7.3 °C.
Does it snow in Bartow?
Almost never: Bartow sees virtually no snow, with about 2 frost days per year.
Has the climate of Bartow warmed?
Yes: Bartow warmed by +1.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Bartow?
The wettest day measured in Bartow between 1940 and 2025 was 28 September 2022, with 179 mm of rain in 24 hours.
What was the windiest day in Bartow?
The windiest day measured in Bartow between 1940 and 2025 was 19 October 1944, with winds reaching 81.5 km/h.
What is the warmest month in Bartow?
The warmest month in Bartow is July (27.1 °C on average); the coldest is January (15.5 °C).
How much does it rain in Bartow?
Bartow receives on average 1,012 mm of precipitation per year, spread over about 139 rainy days.
Is it sunny in Bartow?
Bartow gets on average 10.1 hours of sunshine per day, roughly 3,687 hours per year over 1940-2025.
What is the biggest single-day snowfall in Bartow?
The heaviest 24-hour snowfall measured in Bartow between 1940 and 2025 was 19 January 1977, with 0.4 cm.
Are there tropical nights in Bartow?
Yes: Bartow has on average 167 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Bartow?
In Bartow, between 1940 and 2025, the highest apparent temperature reached 43.4 °C on 5 August 2023, and the lowest was -13.3 °C on 13 December 1962.
Compare Bartow with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Bartow