Grazzanise climate — normals and trends
Grazzanise (Italy) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 16.4 °C and it receives 1,087 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 (24.4 °C on average) and the coldest is January (9.6 °C). Rainfall peaks in November.
Grazzanise averages 0 frost days, 3 hot days (≥ 30 °C) and 107 rainy days per year.
Grazzanise has warmed by +1.6 °C between 1940 and 2025, or +0.19 °C per decade. This trend is statistically significant.
The hottest day of the period reached 33.5 °C (on 11 August 2024) and the coldest -1.9 °C (on 24 January 1942).
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
GrazzaniseCampania
- coords
- 41.09°, 14.10°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.4°C
Average daily high
18.7°C
Average daily low
14.2°C
Annual rainfall
1,087mm
Sunshine / day
10.1h
Mean relative humidity
77%
Average peak wind
17.7km/h
Seasonal range
14.8°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
3 d/yr
Rainy days (≥ 1 mm)
107 d/yr
Annual snowfall
0.8 cm
Average feels-like high
18.7 °C
Average feels-like low
13.5 °C
Average peak gust
29.7 km/h
Tropical nights (≥ 20 °C)
75 d/yr
Solar radiation
15.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.6 °C
since 1940
+0.2 °C per decade · r² = 0.50 · 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
33.5 °C
11 August 2024
Coldest day
-1.9 °C
24 January 1942
Wettest day
100 mm
19 September 1984
Windiest day
61.7 km/h
28 December 1999
Strongest gust
111.6 km/h
28 December 1999
Hottest feels-like
38.5 °C
30 July 2024
Coldest feels-like
-8.9 °C
23 January 1963
Snowiest day
6.0 cm
18 February 1956
Sunniest day
14.1 h
26 June 2025
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 | 13.7 °C | +2.0 °C | 102 mm | -21 mm |
| Feb | 14.0 °C | +1.8 °C | 117 mm | +7 mm |
| Mar | 15.8 °C | +2.1 °C | 93 mm | +5 mm |
| Apr | 17.7 °C | +1.6 °C | 46 mm | -27 mm |
| May | 20.9 °C | +1.1 °C | 32 mm | -14 mm |
| Jun | 27.7 °C | +4.1 °C | 2 mm | -21 mm |
| Jul | 28.3 °C | +1.9 °C | 18 mm | +7 mm |
| Aug | 28.2 °C | +1.4 °C | 40 mm | +10 mm |
| Sep | 25.6 °C | +1.5 °C | 163 mm | +71 mm |
| Oct | 20.7 °C | +0.3 °C | 79 mm | -63 mm |
| Nov | 17.1 °C | +0.8 °C | 216 mm | +24 mm |
| Dec | 14.6 °C | +1.6 °C | 128 mm | -27 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 Grazzanise?
Grazzanise has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 16.4 °C and it receives 1,087 mm of precipitation per year.
What is the hottest day ever recorded in Grazzanise?
The hottest day measured in Grazzanise between 1940 and 2025 was 11 August 2024, reaching 33.5 °C.
What is the coldest day in Grazzanise?
The coldest day measured in Grazzanise between 1940 and 2025 was 24 January 1942, at -1.9 °C.
Does it snow in Grazzanise?
Almost never: Grazzanise sees virtually no snow, with about 0 frost days per year.
Has the climate of Grazzanise warmed?
Yes: Grazzanise warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Grazzanise?
The wettest day measured in Grazzanise between 1940 and 2025 was 19 September 1984, with 100 mm of rain in 24 hours.
What was the windiest day in Grazzanise?
The windiest day measured in Grazzanise between 1940 and 2025 was 28 December 1999, with winds reaching 61.7 km/h.
What is the warmest month in Grazzanise?
The warmest month in Grazzanise is August (24.4 °C on average); the coldest is January (9.6 °C).
How much does it rain in Grazzanise?
Grazzanise receives on average 1,087 mm of precipitation per year, spread over about 107 rainy days.
Is it sunny in Grazzanise?
Grazzanise 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 Grazzanise?
The heaviest 24-hour snowfall measured in Grazzanise between 1940 and 2025 was 18 February 1956, with 6.0 cm.
Are there tropical nights in Grazzanise?
Yes: Grazzanise has on average 75 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Grazzanise?
In Grazzanise, between 1940 and 2025, the highest apparent temperature reached 38.5 °C on 30 July 2024, and the lowest was -8.9 °C on 23 January 1963.
Compare Grazzanise with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Grazzanise