Monção climate — normals and trends
Monção (Portugal) has a warm-summer mediterranean climate (Csb) under the Köppen-Geiger classification. Its mean annual temperature is 12.9 °C and it receives 1,667 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 (19.2 °C on average) and the coldest is January (7.1 °C). Rainfall peaks in December.
Monção averages 16 frost days, 7 hot days (≥ 30 °C) and 137 rainy days per year.
Monção has warmed by +1.5 °C between 1940 and 2025, or +0.18 °C per decade. This trend is statistically significant.
The number of frost days there went from about 26 to 6 per year over the period.
The hottest day of the period reached 36.4 °C (on 7 August 2016) and the coldest -7.4 °C (on 1 January 1971).
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
MonçãoViana do Castelo District
- coords
- 42.08°, -8.48°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
12.9°C
Average daily high
17.3°C
Average daily low
8.8°C
Annual rainfall
1,667mm
Sunshine / day
9.8h
Mean relative humidity
80%
Average peak wind
13.7km/h
Seasonal range
12.1°C
Frost days (< 0 °C)
16 d/yr
Hot days (≥ 30 °C)
7 d/yr
Rainy days (≥ 1 mm)
137 d/yr
Annual snowfall
2.3 cm
Average feels-like high
16.6 °C
Average feels-like low
7.2 °C
Average peak gust
38.7 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
15.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.5 °C
since 1940
+0.2 °C per decade · r² = 0.37 · 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
36.4 °C
7 August 2016
Coldest day
-7.4 °C
1 January 1971
Wettest day
143 mm
3 October 2010
Windiest day
56.5 km/h
15 February 1941
Strongest gust
166.0 km/h
15 February 1941
Hottest feels-like
40.9 °C
14 June 1981
Coldest feels-like
-11.8 °C
1 January 1971
Snowiest day
5.5 cm
23 February 1948
Sunniest day
15.0 h
13 June 1951
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 | 12.9 °C | +2.0 °C | 374 mm | +169 mm |
| Feb | 13.6 °C | +1.6 °C | 109 mm | -67 mm |
| Mar | 14.9 °C | +0.6 °C | 155 mm | -20 mm |
| Apr | 18.2 °C | +2.4 °C | 246 mm | +97 mm |
| May | 20.2 °C | +2.1 °C | 111 mm | -23 mm |
| Jun | 24.6 °C | +3.0 °C | 69 mm | -7 mm |
| Jul | 26.5 °C | +2.3 °C | 18 mm | -14 mm |
| Aug | 27.2 °C | +2.8 °C | 17 mm | -23 mm |
| Sep | 21.9 °C | -0.3 °C | 71 mm | -18 mm |
| Oct | 20.6 °C | +2.3 °C | 165 mm | -19 mm |
| Nov | 14.1 °C | +0.2 °C | 308 mm | +111 mm |
| Dec | 11.7 °C | +0.2 °C | 234 mm | +24 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 Monção?
Monção has a warm-summer mediterranean climate (Köppen Csb). Over 1940-2025, the average annual temperature is 12.9 °C and it receives 1,667 mm of precipitation per year.
What is the hottest day ever recorded in Monção?
The hottest day measured in Monção between 1940 and 2025 was 7 August 2016, reaching 36.4 °C.
What is the coldest day in Monção?
The coldest day measured in Monção between 1940 and 2025 was 1 January 1971, at -7.4 °C.
Does it snow in Monção?
Yes. Monção gets on average 2.3 cm of snow per year and has around 16 frost days.
Has the climate of Monção warmed?
Yes: Monção warmed by +1.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Monção?
The wettest day measured in Monção between 1940 and 2025 was 3 October 2010, with 143 mm of rain in 24 hours.
What was the windiest day in Monção?
The windiest day measured in Monção between 1940 and 2025 was 15 February 1941, with winds reaching 56.5 km/h.
What is the warmest month in Monção?
The warmest month in Monção is July (19.2 °C on average); the coldest is January (7.1 °C).
How much does it rain in Monção?
Monção receives on average 1,667 mm of precipitation per year, spread over about 137 rainy days.
Is it sunny in Monção?
Monção 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 Monção?
The heaviest 24-hour snowfall measured in Monção between 1940 and 2025 was 23 February 1948, with 5.5 cm.
Are there tropical nights in Monção?
Yes: Monção has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Monção?
In Monção, between 1940 and 2025, the highest apparent temperature reached 40.9 °C on 14 June 1981, and the lowest was -11.8 °C on 1 January 1971.
Compare Monção with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Monção