Montemor-o-Novo climate — normals and trends
Montemor-o-Novo (Portugal) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 16.2 °C and it receives 595 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 (23.5 °C on average) and the coldest is January (9.5 °C). Rainfall peaks in December.
Montemor-o-Novo averages 2 frost days, 66 hot days (≥ 30 °C) and 82 rainy days per year.
Montemor-o-Novo has warmed by +1.1 °C between 1940 and 2025, or +0.13 °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 45.9 °C (on 1 August 2003) and the coldest -5.8 °C (on 15 January 1945).
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
Montemor-o-NovoÉvora District
- coords
- 38.65°, -8.21°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.2°C
Average daily high
21.8°C
Average daily low
11.2°C
Annual rainfall
595mm
Sunshine / day
10.2h
Mean relative humidity
69%
Average peak wind
17.2km/h
Seasonal range
14.0°C
Frost days (< 0 °C)
2 d/yr
Hot days (≥ 30 °C)
66 d/yr
Rainy days (≥ 1 mm)
82 d/yr
Annual snowfall
0.3 cm
Average feels-like high
20.6 °C
Average feels-like low
9.6 °C
Average peak gust
35.4 km/h
Tropical nights (≥ 20 °C)
10 d/yr
Solar radiation
17.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.1 °C
since 1940
+0.1 °C per decade · r² = 0.23 · 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
45.9 °C
1 August 2003
Coldest day
-5.8 °C
15 January 1945
Wettest day
59 mm
25 October 2006
Windiest day
58.2 km/h
15 February 1941
Strongest gust
110.9 km/h
30 December 1981
Hottest feels-like
45.5 °C
1 August 2003
Coldest feels-like
-10.4 °C
15 January 1945
Snowiest day
9.7 cm
29 January 2006
Sunniest day
14.7 h
20 June 2025
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 | 15.5 °C | +2.0 °C | 152 mm | +82 mm |
| Feb | 16.5 °C | +1.6 °C | 48 mm | -21 mm |
| Mar | 16.7 °C | -0.9 °C | 197 mm | +127 mm |
| Apr | 20.5 °C | +0.8 °C | 97 mm | +35 mm |
| May | 25.2 °C | +2.0 °C | 45 mm | -1 mm |
| Jun | 32.6 °C | +4.7 °C | 4 mm | -14 mm |
| Jul | 33.5 °C | +2.0 °C | 2 mm | -3 mm |
| Aug | 34.4 °C | +2.9 °C | 2 mm | -3 mm |
| Sep | 28.8 °C | +0.8 °C | 12 mm | -18 mm |
| Oct | 26.3 °C | +3.6 °C | 33 mm | -36 mm |
| Nov | 17.3 °C | +0.2 °C | 139 mm | +65 mm |
| Dec | 14.2 °C | +0.1 °C | 96 mm | +18 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 Montemor-o-Novo?
Montemor-o-Novo has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 16.2 °C and it receives 595 mm of precipitation per year.
What is the hottest day ever recorded in Montemor-o-Novo?
The hottest day measured in Montemor-o-Novo between 1940 and 2025 was 1 August 2003, reaching 45.9 °C.
What is the coldest day in Montemor-o-Novo?
The coldest day measured in Montemor-o-Novo between 1940 and 2025 was 15 January 1945, at -5.8 °C.
Does it snow in Montemor-o-Novo?
Almost never: Montemor-o-Novo sees virtually no snow, with about 2 frost days per year.
Has the climate of Montemor-o-Novo warmed?
Yes: Montemor-o-Novo warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Montemor-o-Novo?
The wettest day measured in Montemor-o-Novo between 1940 and 2025 was 25 October 2006, with 59 mm of rain in 24 hours.
What was the windiest day in Montemor-o-Novo?
The windiest day measured in Montemor-o-Novo between 1940 and 2025 was 15 February 1941, with winds reaching 58.2 km/h.
What is the warmest month in Montemor-o-Novo?
The warmest month in Montemor-o-Novo is July (23.5 °C on average); the coldest is January (9.5 °C).
How much does it rain in Montemor-o-Novo?
Montemor-o-Novo receives on average 595 mm of precipitation per year, spread over about 82 rainy days.
Is it sunny in Montemor-o-Novo?
Montemor-o-Novo 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 Montemor-o-Novo?
The heaviest 24-hour snowfall measured in Montemor-o-Novo between 1940 and 2025 was 29 January 2006, with 9.7 cm.
Are there tropical nights in Montemor-o-Novo?
Yes: Montemor-o-Novo has on average 10 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Montemor-o-Novo?
In Montemor-o-Novo, between 1940 and 2025, the highest apparent temperature reached 45.5 °C on 1 August 2003, and the lowest was -10.4 °C on 15 January 1945.
Compare Montemor-o-Novo with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Montemor-o-Novo