Jonesboro climate — normals and trends
Jonesboro (United States) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 16.0 °C and it receives 1,131 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 (27.3 °C on average) and the coldest is January (3.4 °C). Rainfall peaks in March.
Jonesboro averages 55 frost days, 84 hot days (≥ 30 °C) and 110 rainy days per year.
Jonesboro has warmed by +1.2 °C between 1940 and 2025, or +0.14 °C per decade. This trend is statistically significant.
The number of frost days there went from about 62 to 48 per year over the period.
The hottest day of the period reached 42.2 °C (on 3 August 2011) and the coldest -28.1 °C (on 2 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
JonesboroArkansas
- coords
- 35.84°, -90.70°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.0°C
Average daily high
21.0°C
Average daily low
11.2°C
Annual rainfall
1,131mm
Sunshine / day
9.4h
Mean relative humidity
67%
Average peak wind
16.8km/h
Seasonal range
23.9°C
Frost days (< 0 °C)
55 d/yr
Hot days (≥ 30 °C)
84 d/yr
Rainy days (≥ 1 mm)
110 d/yr
Annual snowfall
15.5 cm
Average feels-like high
20.7 °C
Average feels-like low
9.7 °C
Average peak gust
35.1 km/h
Tropical nights (≥ 20 °C)
90 d/yr
Solar radiation
16.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.2 °C
since 1940
+0.1 °C per decade · r² = 0.22 · 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
42.2 °C
3 August 2011
Coldest day
-28.1 °C
2 February 1951
Wettest day
116 mm
7 June 2019
Windiest day
47.7 km/h
14 September 2008
Strongest gust
107.3 km/h
14 September 2008
Hottest feels-like
46.2 °C
13 July 1980
Coldest feels-like
-33.8 °C
2 February 1951
Snowiest day
23.0 cm
25 February 1979
Sunniest day
14.0 h
16 May 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 | 6.7 °C | -1.4 °C | 105 mm | +14 mm |
| Feb | 10.9 °C | +0.3 °C | 143 mm | +46 mm |
| Mar | 20.3 °C | +4.6 °C | 55 mm | -71 mm |
| Apr | 23.4 °C | +2.0 °C | 295 mm | +170 mm |
| May | 24.8 °C | -1.2 °C | 177 mm | +64 mm |
| Jun | 31.5 °C | +1.1 °C | 141 mm | +60 mm |
| Jul | 33.1 °C | +1.0 °C | 56 mm | -19 mm |
| Aug | 31.1 °C | -0.6 °C | 14 mm | -48 mm |
| Sep | 30.4 °C | +2.1 °C | 106 mm | +27 mm |
| Oct | 23.6 °C | +0.9 °C | 115 mm | +35 mm |
| Nov | 17.8 °C | +2.3 °C | 68 mm | -32 mm |
| Dec | 11.2 °C | +1.1 °C | 23 mm | -78 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 Jonesboro?
Jonesboro has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 16.0 °C and it receives 1,131 mm of precipitation per year.
What is the hottest day ever recorded in Jonesboro?
The hottest day measured in Jonesboro between 1940 and 2025 was 3 August 2011, reaching 42.2 °C.
What is the coldest day in Jonesboro?
The coldest day measured in Jonesboro between 1940 and 2025 was 2 February 1951, at -28.1 °C.
Does it snow in Jonesboro?
Yes. Jonesboro gets on average 15.5 cm of snow per year and has around 55 frost days.
Has the climate of Jonesboro warmed?
Yes: Jonesboro warmed by +1.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Jonesboro?
The wettest day measured in Jonesboro between 1940 and 2025 was 7 June 2019, with 116 mm of rain in 24 hours.
What was the windiest day in Jonesboro?
The windiest day measured in Jonesboro between 1940 and 2025 was 14 September 2008, with winds reaching 47.7 km/h.
What is the warmest month in Jonesboro?
The warmest month in Jonesboro is July (27.3 °C on average); the coldest is January (3.4 °C).
How much does it rain in Jonesboro?
Jonesboro receives on average 1,131 mm of precipitation per year, spread over about 110 rainy days.
Is it sunny in Jonesboro?
Jonesboro 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 Jonesboro?
The heaviest 24-hour snowfall measured in Jonesboro between 1940 and 2025 was 25 February 1979, with 23.0 cm.
Are there tropical nights in Jonesboro?
Yes: Jonesboro has on average 90 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Jonesboro?
In Jonesboro, between 1940 and 2025, the highest apparent temperature reached 46.2 °C on 13 July 1980, and the lowest was -33.8 °C on 2 February 1951.
Compare Jonesboro with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Jonesboro