Oliena climate — normals and trends
Oliena (Italy) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 14.6 °C and it receives 589 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 (23.1 °C on average) and the coldest is January (7.7 °C). Rainfall peaks in December.
Oliena averages 2 frost days, 7 hot days (≥ 30 °C) and 94 rainy days per year.
Oliena has warmed by +1.7 °C between 1940 and 2025, or +0.20 °C per decade. This trend is statistically significant.
The number of frost days there went from about 4 to 0 per year over the period.
The hottest day of the period reached 37.2 °C (on 24 July 2023) and the coldest -6.3 °C (on 12 February 1956).
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
OlienaSardinia
- coords
- 40.28°, 9.40°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
14.6°C
Average daily high
17.8°C
Average daily low
11.7°C
Annual rainfall
589mm
Sunshine / day
10.4h
Mean relative humidity
74%
Average peak wind
16.1km/h
Seasonal range
15.4°C
Frost days (< 0 °C)
2 d/yr
Hot days (≥ 30 °C)
7 d/yr
Rainy days (≥ 1 mm)
94 d/yr
Annual snowfall
8.6 cm
Average feels-like high
17.0 °C
Average feels-like low
9.9 °C
Average peak gust
35.9 km/h
Tropical nights (≥ 20 °C)
28 d/yr
Solar radiation
16.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.7 °C
since 1940
+0.2 °C per decade · r² = 0.47 · 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
37.2 °C
24 July 2023
Coldest day
-6.3 °C
12 February 1956
Wettest day
155 mm
15 October 1951
Windiest day
54.6 km/h
28 February 1990
Strongest gust
115.9 km/h
8 February 1984
Hottest feels-like
39.7 °C
17 July 2023
Coldest feels-like
-10.7 °C
12 February 1956
Snowiest day
13.4 cm
15 February 1953
Sunniest day
14.8 h
30 June 2011
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 | 12.3 °C | +2.0 °C | 125 mm | +66 mm |
| Feb | 12.4 °C | +1.6 °C | 80 mm | +21 mm |
| Mar | 13.3 °C | +0.7 °C | 86 mm | +23 mm |
| Apr | 15.8 °C | +0.9 °C | 104 mm | +44 mm |
| May | 20.1 °C | +1.2 °C | 39 mm | -8 mm |
| Jun | 27.8 °C | +4.5 °C | 3 mm | -19 mm |
| Jul | 28.4 °C | +1.7 °C | 7 mm | -1 mm |
| Aug | 28.2 °C | +1.3 °C | 13 mm | -2 mm |
| Sep | 25.2 °C | +1.6 °C | 52 mm | +12 mm |
| Oct | 19.8 °C | +0.4 °C | 59 mm | -12 mm |
| Nov | 15.2 °C | +0.5 °C | 33 mm | -38 mm |
| Dec | 13.0 °C | +1.5 °C | 94 mm | +19 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 Oliena?
Oliena has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 14.6 °C and it receives 589 mm of precipitation per year.
What is the hottest day ever recorded in Oliena?
The hottest day measured in Oliena between 1940 and 2025 was 24 July 2023, reaching 37.2 °C.
What is the coldest day in Oliena?
The coldest day measured in Oliena between 1940 and 2025 was 12 February 1956, at -6.3 °C.
Does it snow in Oliena?
Yes. Oliena gets on average 8.6 cm of snow per year and has around 2 frost days.
Has the climate of Oliena warmed?
Yes: Oliena warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Oliena?
The wettest day measured in Oliena between 1940 and 2025 was 15 October 1951, with 155 mm of rain in 24 hours.
What was the windiest day in Oliena?
The windiest day measured in Oliena between 1940 and 2025 was 28 February 1990, with winds reaching 54.6 km/h.
What is the warmest month in Oliena?
The warmest month in Oliena is August (23.1 °C on average); the coldest is January (7.7 °C).
How much does it rain in Oliena?
Oliena receives on average 589 mm of precipitation per year, spread over about 94 rainy days.
Is it sunny in Oliena?
Oliena gets on average 10.4 hours of sunshine per day, roughly 3,796 hours per year over 1940-2025.
What is the biggest single-day snowfall in Oliena?
The heaviest 24-hour snowfall measured in Oliena between 1940 and 2025 was 15 February 1953, with 13.4 cm.
Are there tropical nights in Oliena?
Yes: Oliena has on average 28 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Oliena?
In Oliena, between 1940 and 2025, the highest apparent temperature reached 39.7 °C on 17 July 2023, and the lowest was -10.7 °C on 12 February 1956.
Compare Oliena with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Oliena