World Resorts Portugal Estoril Weather

Estoril weather in May

Weather in Estoril: May

Average day temperature: 67.9°F
Average night temperature: 60.1°F
Sea water temperature: 61.0°F
Number of sunny days: 21 days
Day length: 13.8 - 14.7 hours
Number of rainy days: 2 days
Precipitation totals: 1.3 in.

Air temperature in May, °F

Show year:
2025
2024
2023

The highest day temperature during May of 2025 was 76°F. At the same time the lowest night temperature was 54°F. Daily and nightly averages during May were 66.0°F and 59.7°F.

Sea water temperature in Estoril in May, °F

Show year:
2025
2024
2023

The average sea water temperature in May of 2025 was 61.6°F. The highest and lowest sea temperatures during the month were 63.1°F and 59.9°F.

Sunny, partly cloudy and cloudy days

Mostly all days in May are sunny but cloudy days are also possible.

Precipitation total in May, in.

Precipitation total value in Estoril in May is 1.2 in. Other months of the year show relatively similar values.

Wind speed in May, mph

The average wind speed value in May is 12.6 mph

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in May is: 10.4.

Best time for vacation in Estoril

Sunniest months:
August 27 days
July 26 days
September 24 days
Warmest months:
August 76.1 °F
July 75.0 °F
September 74.6 °F
Warmest sea temp:
September 64.6 °F
October 64.2 °F
August 63.8 °F
Coldest months:
January 58.5 °F
February 59.0 °F
December 60.7 °F
Rainiest months:
November 5 days
March 4 days
December 4 days
Windiest months:
July 13.8 mph
August 13.1 mph
June 12.8 mph

Estoril on a weather map

Estoril
+63°F
E 19 mph
Feels like: +63°F
Precip.: 100%
Places in Portugal:
Name
°F
+57°F
+57°F
+63°F
+57°F
+61°F
+61°F
+54°F
+64°F
+59°F
+54°F
+64°F
+57°F
+54°F
24 Hours Forecast
Estoril
Local time: 03:02
December 05, friday
0600
61°F
E
16 mph
0900
61°F
E
16 mph
1200
63°F
E
15 mph
1500
63°F
E
14 mph
1800
61°F
E
10 mph
2100
61°F
E
8 mph
December 06, saturday
0000
61°F
E
9 mph
0300
61°F
E
10 mph
Units of measurement: °C / °F