Campobasso climate — normals and trends
Campobasso (Italy) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 12.3 °C and it receives 760 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 (21.8 °C on average) and the coldest is January (3.7 °C). Rainfall peaks in November.
Campobasso averages 38 frost days, 16 hot days (≥ 30 °C) and 118 rainy days per year.
Campobasso has warmed by +2.1 °C between 1940 and 2025, or +0.25 °C per decade. This trend is statistically significant.
The number of frost days there went from about 55 to 21 per year over the period.
The hottest day of the period reached 38.2 °C (on 17 July 2023) and the coldest -18.1 °C (on 31 January 1963).
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
CampobassoMolise
- coords
- 41.56°, 14.67°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
12.3°C
Average daily high
16.7°C
Average daily low
8.4°C
Annual rainfall
760mm
Sunshine / day
9.7h
Mean relative humidity
76%
Average peak wind
14.2km/h
Seasonal range
18.1°C
Frost days (< 0 °C)
38 d/yr
Hot days (≥ 30 °C)
16 d/yr
Rainy days (≥ 1 mm)
118 d/yr
Annual snowfall
49.3 cm
Average feels-like high
15.3 °C
Average feels-like low
6.6 °C
Average peak gust
38.4 km/h
Tropical nights (≥ 20 °C)
6 d/yr
Solar radiation
15.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.1 °C
since 1940
+0.3 °C per decade · r² = 0.52 · 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
38.2 °C
17 July 2023
Coldest day
-18.1 °C
31 January 1963
Wettest day
79 mm
18 September 1970
Windiest day
40.4 km/h
30 December 1974
Strongest gust
113.4 km/h
13 December 1957
Hottest feels-like
40.7 °C
17 July 2023
Coldest feels-like
-22.6 °C
31 January 1963
Snowiest day
33.3 cm
3 February 2012
Sunniest day
14.1 h
29 June 2019
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 | 9.1 °C | +2.1 °C | 77 mm | +2 mm |
| Feb | 9.6 °C | +1.3 °C | 53 mm | -15 mm |
| Mar | 12.8 °C | +1.8 °C | 102 mm | +30 mm |
| Apr | 16.2 °C | +1.6 °C | 58 mm | -13 mm |
| May | 19.1 °C | -0.3 °C | 66 mm | +3 mm |
| Jun | 29.1 °C | +5.2 °C | 15 mm | -36 mm |
| Jul | 28.7 °C | +1.7 °C | 31 mm | -7 mm |
| Aug | 27.8 °C | +0.5 °C | 64 mm | +27 mm |
| Sep | 24.3 °C | +1.3 °C | 29 mm | -22 mm |
| Oct | 16.6 °C | -1.2 °C | 68 mm | -1 mm |
| Nov | 12.9 °C | +0.5 °C | 98 mm | +12 mm |
| Dec | 10.4 °C | +1.9 °C | 28 mm | -51 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 Campobasso?
Campobasso has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 12.3 °C and it receives 760 mm of precipitation per year.
What is the hottest day ever recorded in Campobasso?
The hottest day measured in Campobasso between 1940 and 2025 was 17 July 2023, reaching 38.2 °C.
What is the coldest day in Campobasso?
The coldest day measured in Campobasso between 1940 and 2025 was 31 January 1963, at -18.1 °C.
Does it snow in Campobasso?
Yes. Campobasso gets on average 49.3 cm of snow per year and has around 38 frost days.
Has the climate of Campobasso warmed?
Yes: Campobasso warmed by +2.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Campobasso?
The wettest day measured in Campobasso between 1940 and 2025 was 18 September 1970, with 79 mm of rain in 24 hours.
What was the windiest day in Campobasso?
The windiest day measured in Campobasso between 1940 and 2025 was 30 December 1974, with winds reaching 40.4 km/h.
What is the warmest month in Campobasso?
The warmest month in Campobasso is July (21.8 °C on average); the coldest is January (3.7 °C).
How much does it rain in Campobasso?
Campobasso receives on average 760 mm of precipitation per year, spread over about 118 rainy days.
Is it sunny in Campobasso?
Campobasso gets on average 9.7 hours of sunshine per day, roughly 3,540 hours per year over 1940-2025.
What is the biggest single-day snowfall in Campobasso?
The heaviest 24-hour snowfall measured in Campobasso between 1940 and 2025 was 3 February 2012, with 33.3 cm.
Are there tropical nights in Campobasso?
Yes: Campobasso has on average 6 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Campobasso?
In Campobasso, between 1940 and 2025, the highest apparent temperature reached 40.7 °C on 17 July 2023, and the lowest was -22.6 °C on 31 January 1963.
Compare Campobasso with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Campobasso