Monthly climate averages for Isla Vista, United States. Based on 10-year ERA5 reanalysis data.
Csa Hot-Summer Mediterranean
Climate OverviewIsla Vista, United States in June has warm conditions, with highs averaging 24.5°C (76°F). Rain is rare, falling on about 1 days this month. Sea temperature stays cool at 16.5°C (62°F).
This month falls at the beginning of Summer.
Daily highs in June gradually rise from around 23°C (74°F) at the start to 26°C (78°F) by month's end.
Rainfall is heaviest during the first third of the month, while the middle tends to be drier.
The warmest days tend to fall around the 26th, averaging 25.6°C (78°F).
Compared to May, this month is about 3°C warmer with 1 fewer rainy days. Temperatures will rise further into July.
Daily averages based on historical data (2016–2025)
Daytime temperatures around 25°C (76°F) are ideal for full-day outdoor exploration.
Rain is uncommon in this month, so most days stay dry from morning through evening.
1 of the last 5 yearly records were warmer than this month's long-run average.
| Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 18°C / 11°C | 16°C / 9°C | 6days (102 mm) Good | 8.1h Good | 69% Muggy | 3.7 Moderate | Good | View Details |
| February | 18°C / 11°C | 17°C / 9°C | 6days (83 mm) Good | 9.1h Good | 66% Muggy | 4.5 Moderate | Good | View Details |
| March | 18°C / 11°C | 17°C / 9°C | 8days (88 mm) Wet | 10.1h Excellent | 70% Muggy | 5.7 High | Good | View Details |
| April | 21°C / 13°C | 20°C / 11°C | 2days (18 mm) Excellent | 11.7h Excellent | 63% Muggy | 7.3 Very High | Excellent | View Details |
| May | 21°C / 14°C | 21°C / 13°C | 2days (9 mm) Excellent | 12.9h Excellent | 66% Muggy | 7.9 Very High | Excellent | View Details |
| June best | 25°C / 17°C | 26°C / 17°C | 1days (3 mm) Excellent | 13.4h Excellent | 61% Muggy | 8.2 Very High | Excellent | View Details |
| July best | 27°C / 20°C | 28°C / 20°C | 0days (1 mm) Excellent | 13.3h Excellent | 60% Moderate | 8.4 Very High | Excellent | View Details |
| August best | 27°C / 20°C | 29°C / 21°C | 1days (3 mm) Excellent | 12.3h Excellent | 61% Muggy | 7.9 Very High | Excellent | View Details |
| September best | 26°C / 19°C | 28°C / 20°C | 1days (6 mm) Excellent | 11.4h Excellent | 62% Muggy | 6.8 High | Excellent | View Details |
| October best | 25°C / 17°C | 25°C / 16°C | 1days (11 mm) Excellent | 10.3h Excellent | 57% Moderate | 5.6 High | Excellent | View Details |
| November | 21°C / 14°C | 20°C / 12°C | 3days (34 mm) Excellent | 8.9h Good | 60% Moderate | 3.9 Moderate | Excellent | View Details |
| December | 19°C / 12°C | 17°C / 10°C | 5days (72 mm) Good | 7.8h Good | 65% Muggy | 3.2 Moderate | Good | View Details |
Summer clothing like shorts, t-shirts, and sundresses will be comfortable. Bring a light cardigan for air-conditioned spaces.
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