Measurements:
°C
°F
Estoril
70°F
SE 12 mph
Feels like: 70°F
Precip: 0%
World Resorts Portugal Estoril Weather May Weather in Estoril

Estoril Weather: May

Average Day Temperature: 69.9°F
Average Night Temperature: 61.3°F
Sea Water Temperature: 62.3°F
Number of Sunny Days: 21 days
Sunshine Hours: 13.8 - 14.7 hours
Number of Rainy Days: 2 days
Precipitation Totals: 1.3 in

Air Temperature in May, °F

Select Year: 2025 2024 2023

The highest day temperature in May 2025 was 79°F. The lowest night temperature was 55°F. The average values for day and night temperatures during May were 67.8°F и 60.8°F respectivly.

Estoril Water Sea Temperature in May, °F

Select Year: 2025 2024 2023

The average sea surface temperature in May 2025 for Estoril was 62.9°F. The maximum and minimum values were 61.0°F and 64.6°F respectively.

Sunny, Cloudy and Gloomy days

Most of the days in May are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in May, in

Precipitation total in May for Estoril is 1.3 in.

Wind Speed in May, mph

The average wind speed in May is 12.7 mph. This value is relatively stable throughout the year.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Estoril in May is 10.8 hours.

Best Time to Visit Estoril
The most sunny months:
August 27 days
July 26 days
September 24 days
The most warm months:
August 79.2 °F
July 77.9 °F
September 77.7 °F
Warmest sea temperature:
September 66.3 °F
October 65.9 °F
August 65.3 °F
The most cold months:
January 59.5 °F
February 59.9 °F
December 61.8 °F
The most rainy months:
November 5 days
March 4 days
December 4 days
The most windy months:
July 14 mph
August 13 mph
June 12 mph

Estoril on the Weather Map

Portugal Resorts:
NAME
Albufeira +78
Algarve +74
Cascais +70
Faro +74
Funchal +66
Lagos +74
Lisbon +82
Madeira +66
Peniche +72
Ponta Delgada +72
Portimao +78
Porto +76
Quarteira +76
Sao Miguel +72
Setubal +80
24 Hours Weather Forecast
Estoril
Local time: 17:16
23 jun, monday
1800 70°F
SE
12 mph
2100 66°F
SE
12 mph
24 jun, tuesday
0000 66°F
SE
6 mph
0300 66°F
E
9 mph
0600 66°F
E
3 mph
0900 68°F
NE
6 mph
1200 70°F
NE
9 mph
1500 72°F
NE
10 mph