Paços climate — normals and trends
Paços (Portugal) has a warm-summer mediterranean climate (Csb) under the Köppen-Geiger classification. Its mean annual temperature is 15.2 °C and it receives 1,149 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 (20.1 °C on average) and the coldest is January (10.5 °C). Rainfall peaks in December.
Paços averages 0 frost days, 1 hot days (≥ 30 °C) and 117 rainy days per year.
Paços has warmed by +1.0 °C between 1940 and 2025, or +0.12 °C per decade. This trend is statistically significant.
The hottest day of the period reached 33.5 °C (on 6 September 1988) and the coldest 0.9 °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
PaçosPorto District
- coords
- 41.16°, -8.67°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
15.2°C
Average daily high
17.5°C
Average daily low
13.0°C
Annual rainfall
1,149mm
Sunshine / day
10.2h
Mean relative humidity
80%
Average peak wind
22.7km/h
Seasonal range
9.6°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
1 d/yr
Rainy days (≥ 1 mm)
117 d/yr
Annual snowfall
0.1 cm
Average feels-like high
16.6 °C
Average feels-like low
11.1 °C
Average peak gust
36.8 km/h
Tropical nights (≥ 20 °C)
9 d/yr
Solar radiation
16.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.0 °C
since 1940
+0.1 °C per decade · r² = 0.33 · 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
6 September 1988
Coldest day
0.9 °C
11 January 1941
Wettest day
77 mm
18 February 1966
Windiest day
87.2 km/h
15 February 1941
Strongest gust
147.2 km/h
15 February 1941
Hottest feels-like
38.2 °C
1 August 1989
Coldest feels-like
-5.0 °C
11 January 1960
Snowiest day
2.4 cm
23 February 1948
Sunniest day
14.9 h
7 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 | 14.3 °C | +1.7 °C | 256 mm | +113 mm |
| Feb | 14.5 °C | +1.4 °C | 93 mm | -34 mm |
| Mar | 15.2 °C | +0.6 °C | 178 mm | +59 mm |
| Apr | 17.8 °C | +1.8 °C | 181 mm | +79 mm |
| May | 19.4 °C | +1.5 °C | 80 mm | -9 mm |
| Jun | 22.2 °C | +1.6 °C | 56 mm | +18 mm |
| Jul | 23.9 °C | +1.5 °C | 11 mm | -4 mm |
| Aug | 23.7 °C | +1.0 °C | 11 mm | -10 mm |
| Sep | 21.2 °C | -0.4 °C | 37 mm | -22 mm |
| Oct | 20.2 °C | +1.2 °C | 133 mm | +3 mm |
| Nov | 16.2 °C | +0.7 °C | 349 mm | +197 mm |
| Dec | 13.7 °C | +0.3 °C | 206 mm | +50 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 Paços?
Paços has a warm-summer mediterranean climate (Köppen Csb). Over 1940-2025, the average annual temperature is 15.2 °C and it receives 1,149 mm of precipitation per year.
What is the hottest day ever recorded in Paços?
The hottest day measured in Paços between 1940 and 2025 was 6 September 1988, reaching 33.5 °C.
What is the coldest day in Paços?
The coldest day measured in Paços between 1940 and 2025 was 11 January 1941, at 0.9 °C.
Does it snow in Paços?
Almost never: Paços sees virtually no snow, with about 0 frost days per year.
Has the climate of Paços warmed?
Yes: Paços warmed by +1.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Paços?
The wettest day measured in Paços between 1940 and 2025 was 18 February 1966, with 77 mm of rain in 24 hours.
What was the windiest day in Paços?
The windiest day measured in Paços between 1940 and 2025 was 15 February 1941, with winds reaching 87.2 km/h.
What is the warmest month in Paços?
The warmest month in Paços is August (20.1 °C on average); the coldest is January (10.5 °C).
How much does it rain in Paços?
Paços receives on average 1,149 mm of precipitation per year, spread over about 117 rainy days.
Is it sunny in Paços?
Paços gets on average 10.2 hours of sunshine per day, roughly 3,723 hours per year over 1940-2025.
What is the biggest single-day snowfall in Paços?
The heaviest 24-hour snowfall measured in Paços between 1940 and 2025 was 23 February 1948, with 2.4 cm.
Are there tropical nights in Paços?
Yes: Paços has on average 9 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Paços?
In Paços, between 1940 and 2025, the highest apparent temperature reached 38.2 °C on 1 August 1989, and the lowest was -5.0 °C on 11 January 1960.
Compare Paços with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Paços