Measurements:
°C
°F
Sierra Nevada
36°F
SE 8 mph
Feels like: 28°F
Precip: 0%
World Resorts Spain Sierra Nevada Weather

Sierra Nevada Sea Water Temperature

Current Sea Water Temperature:
+63.0°F
Maximum Sea Water Temperature in December: 67.0°F
Minimum Sea Water Temperature in December: 58.6°F
Average water temperature in December: 62.5°F

Sea Water Temperature for the Last 10 Days:

December 05 63.0°F November 30 62.2°F
December 04 62.8°F November 29 63.0°F
December 03 63.2°F November 28 63.0°F
December 02 62.8°F November 27 62.6°F
December 01 62.6°F November 26 61.4°F

When is the Warmest Sea for Sierra Nevada?

According to our data for the last three years for Sierra Nevada the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Sierra Nevada was 80.9°F. The maximum and minimum values were 73.8°F and 85.2°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Sierra Nevada was 79.0°F. The maximum and minimum values were 70.0°F and 85.0°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Sierra Nevada was 76.6°F. The maximum and minimum values were 72.8°F and 80.8°F respectively.

Best Time to Visit Sierra Nevada
The most sunny months:
July 29 days
August 27 days
June 25 days
The most warm months:
July 86.8 °F
August 86.1 °F
June 76.0 °F
Warmest sea temperature:
August 80.0 °F
July 76.8 °F
September 76.7 °F
The most cold months:
January 46.8 °F
February 47.9 °F
December 49.9 °F
The most rainy months:
April 6 days
March 5 days
September 5 days
The most windy months:
March 6 mph
February 5 mph
April 5 mph

Sierra Nevada on the Weather Map

24 Hours Weather Forecast
Sierra Nevada
Local time: 09:25
05 dec, friday
1200 46°F
SE
7 mph
1500 48°F
SE
9 mph
1800 44°F
SE
8 mph
2100 42°F
SE
6 mph
06 dec, saturday
0000 42°F
SE
6 mph
0300 42°F
S
6 mph
0600 40°F
S
6 mph
0900 42°F
S
5 mph