Tondela climate — normals and trends
Tondela (Portugal) has a warm-summer mediterranean climate (Csb) under the Köppen-Geiger classification. Its mean annual temperature is 13.8 °C and it receives 1,045 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 (21.0 °C on average) and the coldest is January (7.2 °C). Rainfall peaks in December.
Tondela averages 11 frost days, 25 hot days (≥ 30 °C) and 109 rainy days per year.
Tondela has warmed by +1.3 °C between 1940 and 2025, or +0.15 °C per decade. This trend is statistically significant.
The number of frost days there went from about 17 to 5 per year over the period.
The hottest day of the period reached 39.8 °C (on 23 July 1945) and the coldest -7.4 °C (on 11 January 1941).
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
TondelaViseu District
- coords
- 40.52°, -8.08°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
13.8°C
Average daily high
18.7°C
Average daily low
9.4°C
Annual rainfall
1,045mm
Sunshine / day
9.6h
Mean relative humidity
75%
Average peak wind
15.2km/h
Seasonal range
13.8°C
Frost days (< 0 °C)
11 d/yr
Hot days (≥ 30 °C)
25 d/yr
Rainy days (≥ 1 mm)
109 d/yr
Annual snowfall
1.4 cm
Average feels-like high
17.6 °C
Average feels-like low
7.6 °C
Average peak gust
34.4 km/h
Tropical nights (≥ 20 °C)
4 d/yr
Solar radiation
15.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.3 °C
since 1940
+0.2 °C per decade · r² = 0.18 · 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
39.8 °C
23 July 1945
Coldest day
-7.4 °C
11 January 1941
Wettest day
89 mm
20 January 1941
Windiest day
51.3 km/h
30 December 1981
Strongest gust
123.5 km/h
19 December 2019
Hottest feels-like
40.6 °C
3 August 2018
Coldest feels-like
-11.7 °C
11 January 1941
Snowiest day
17.9 cm
23 February 1956
Sunniest day
14.9 h
12 June 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 | 13.0 °C | +2.0 °C | 278 mm | +141 mm |
| Feb | 14.2 °C | +1.7 °C | 58 mm | -67 mm |
| Mar | 14.8 °C | -0.3 °C | 186 mm | +73 mm |
| Apr | 18.4 °C | +1.4 °C | 155 mm | +59 mm |
| May | 21.5 °C | +1.7 °C | 57 mm | -20 mm |
| Jun | 28.3 °C | +4.3 °C | 9 mm | -27 mm |
| Jul | 29.8 °C | +2.4 °C | 6 mm | -7 mm |
| Aug | 30.8 °C | +3.2 °C | 3 mm | -12 mm |
| Sep | 24.9 °C | +0.3 °C | 34 mm | -15 mm |
| Oct | 22.6 °C | +3.0 °C | 160 mm | +45 mm |
| Nov | 14.7 °C | +0.3 °C | 279 mm | +150 mm |
| Dec | 11.9 °C | +0.4 °C | 166 mm | +25 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 Tondela?
Tondela has a warm-summer mediterranean climate (Köppen Csb). Over 1940-2025, the average annual temperature is 13.8 °C and it receives 1,045 mm of precipitation per year.
What is the hottest day ever recorded in Tondela?
The hottest day measured in Tondela between 1940 and 2025 was 23 July 1945, reaching 39.8 °C.
What is the coldest day in Tondela?
The coldest day measured in Tondela between 1940 and 2025 was 11 January 1941, at -7.4 °C.
Does it snow in Tondela?
Yes. Tondela gets on average 1.4 cm of snow per year and has around 11 frost days.
Has the climate of Tondela warmed?
Yes: Tondela warmed by +1.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Tondela?
The wettest day measured in Tondela between 1940 and 2025 was 20 January 1941, with 89 mm of rain in 24 hours.
What was the windiest day in Tondela?
The windiest day measured in Tondela between 1940 and 2025 was 30 December 1981, with winds reaching 51.3 km/h.
What is the warmest month in Tondela?
The warmest month in Tondela is July (21.0 °C on average); the coldest is January (7.2 °C).
How much does it rain in Tondela?
Tondela receives on average 1,045 mm of precipitation per year, spread over about 109 rainy days.
Is it sunny in Tondela?
Tondela gets on average 9.6 hours of sunshine per day, roughly 3,504 hours per year over 1940-2025.
What is the biggest single-day snowfall in Tondela?
The heaviest 24-hour snowfall measured in Tondela between 1940 and 2025 was 23 February 1956, with 17.9 cm.
Are there tropical nights in Tondela?
Yes: Tondela has on average 4 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Tondela?
In Tondela, between 1940 and 2025, the highest apparent temperature reached 40.6 °C on 3 August 2018, and the lowest was -11.7 °C on 11 January 1941.
Compare Tondela with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Tondela