The climate in Montemor-o-Novo during May can be summarized as mild and reasonably dry.
May is in the spring in Montemor-o-Novo and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a comfortable 22°C (72°F), whilst at night 12°C (53°F) is normal.
| Daytime temperature | 22.2°C 71.9°F |
|---|---|
| Nightly temperature | 11.7°C 53°F |
| Average temperature | 16.9°C 62.4°F |
| Daily sunshine | 9.8 hrs |
| Avg rainfall | 41 mm 1.6 ins |
| Rainy days | 8 days |
| Sea temperature | 17.2°C 63°F |
| Humidity | 65% |
| Windspeed | 14.8kph 9 mph |
On average May is the 5th driest month of the year in Montemor-o-Novo with around 41mm 1.6 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.8 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Montemor-o-Novo in May 2025.
| Hottest month: | August | 29.7°C 85.5°F |
|---|---|---|
| Driest month: | August | 4mm 0.2ins |
| Sunniest month: | August | 11.9hrs |
| Coldest month: | January | 13.5°C 56.3°F |
| Wettest month: | January | 96mm 3.8ins |