Fermo climate — normals and trends
Fermo (Italy) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 15.7 °C and it receives 639 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 (24.6 °C on average) and the coldest is January (8.0 °C). Rainfall peaks in November.
Fermo averages 1 frost days, 4 hot days (≥ 30 °C) and 98 rainy days per year.
Fermo has warmed by +1.8 °C between 1940 and 2025, or +0.21 °C per decade. This trend is statistically significant.
The number of frost days there went from about 3 to 0 per year over the period.
The hottest day of the period reached 33.5 °C (on 4 August 2017) and the coldest -7.0 °C (on 15 February 1940).
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
FermoThe Marches
- coords
- 43.16°, 13.72°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
15.7°C
Average daily high
17.7°C
Average daily low
13.8°C
Annual rainfall
639mm
Sunshine / day
9.8h
Mean relative humidity
75%
Average peak wind
18.4km/h
Seasonal range
16.6°C
Frost days (< 0 °C)
1 d/yr
Hot days (≥ 30 °C)
4 d/yr
Rainy days (≥ 1 mm)
98 d/yr
Annual snowfall
7.9 cm
Average feels-like high
17.3 °C
Average feels-like low
12.4 °C
Average peak gust
29.3 km/h
Tropical nights (≥ 20 °C)
79 d/yr
Solar radiation
14.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °C
since 1940
+0.2 °C per decade · r² = 0.57 · 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
4 August 2017
Coldest day
-7.0 °C
15 February 1940
Wettest day
82 mm
2 September 1958
Windiest day
68.2 km/h
31 December 1979
Strongest gust
115.2 km/h
28 March 1995
Hottest feels-like
38.7 °C
14 August 2024
Coldest feels-like
-14.2 °C
15 February 1940
Snowiest day
27.8 cm
12 March 1956
Sunniest day
14.4 h
5 July 2020
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 | 11.3 °C | +1.5 °C | 23 mm | -36 mm |
| Feb | 10.9 °C | +0.6 °C | 35 mm | -19 mm |
| Mar | 13.6 °C | +1.4 °C | 86 mm | +26 mm |
| Apr | 16.7 °C | +1.6 °C | 30 mm | -21 mm |
| May | 20.7 °C | +1.2 °C | 54 mm | +8 mm |
| Jun | 27.4 °C | +3.6 °C | 13 mm | -22 mm |
| Jul | 28.3 °C | +1.6 °C | 55 mm | +30 mm |
| Aug | 27.6 °C | +0.8 °C | 27 mm | -12 mm |
| Sep | 24.9 °C | +1.6 °C | 41 mm | -18 mm |
| Oct | 19.2 °C | +0.3 °C | 36 mm | -29 mm |
| Nov | 15.1 °C | +0.6 °C | 111 mm | +37 mm |
| Dec | 12.2 °C | +1.0 °C | 44 mm | -28 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 Fermo?
Fermo has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 15.7 °C and it receives 639 mm of precipitation per year.
What is the hottest day ever recorded in Fermo?
The hottest day measured in Fermo between 1940 and 2025 was 4 August 2017, reaching 33.5 °C.
What is the coldest day in Fermo?
The coldest day measured in Fermo between 1940 and 2025 was 15 February 1940, at -7.0 °C.
Does it snow in Fermo?
Yes. Fermo gets on average 7.9 cm of snow per year and has around 1 frost days.
Has the climate of Fermo warmed?
Yes: Fermo warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Fermo?
The wettest day measured in Fermo between 1940 and 2025 was 2 September 1958, with 82 mm of rain in 24 hours.
What was the windiest day in Fermo?
The windiest day measured in Fermo between 1940 and 2025 was 31 December 1979, with winds reaching 68.2 km/h.
What is the warmest month in Fermo?
The warmest month in Fermo is August (24.6 °C on average); the coldest is January (8.0 °C).
How much does it rain in Fermo?
Fermo receives on average 639 mm of precipitation per year, spread over about 98 rainy days.
Is it sunny in Fermo?
Fermo gets on average 9.8 hours of sunshine per day, roughly 3,577 hours per year over 1940-2025.
What is the biggest single-day snowfall in Fermo?
The heaviest 24-hour snowfall measured in Fermo between 1940 and 2025 was 12 March 1956, with 27.8 cm.
Are there tropical nights in Fermo?
Yes: Fermo has on average 79 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Fermo?
In Fermo, between 1940 and 2025, the highest apparent temperature reached 38.7 °C on 14 August 2024, and the lowest was -14.2 °C on 15 February 1940.
Compare Fermo with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Fermo