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San Diego in June: weather, sea & travel advice
This month's data profile
Strong month under the current formula
San Diego in June is climatically well suited to city breaks, family holidays, beach holidays and active holidays and hiking. The average daily high is around 26 °C, and the sea is about 19 °C. With about 1 rainy day it is very dry.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
85/100 · #2
Warmth
#4
Dryness
#1
Sun
#1
Sea warmth
#5
Published best categories: Overall, Beach, Family
San Diego · JunePhoto: Rufustelestrat · CC BY 2.5Climate facts
- Average high
- 26 °C
- Average low
- 14 °C
- Sea
- 19 °C
- Rainy days (est.)
- 1 rainy day (est.)
- Sun (est.)
- 10 h/day
- Humidity
- 64 %
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|---|
| May | 23 | 12 | 1 | 6 | 9.6 | 69 | 2.5 | 17 | 82 |
| June (selected) | 26 | 14 | 1 | 9 | 10.3 | 64 | 2.2 | 19 | 85 |
| July | 29 | 17 | 1 | 4 | 9.6 | 58 | 2.1 | 20 | 81 |
How do the previous and next months compare?
Baseline: June (85/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | Sea Δ | |
|---|---|---|---|---|---|---|---|---|---|
| May | -3 | -3.2 °C | -1.8 °C | +0.7 | -2.6 mm | -0.7 h | +4.9 % | +0.2 m/s | -1.3 °C |
| July | -4 | +3.4 °C | +3 °C | +0.3 | -5.1 mm | -0.7 h | -5.5 % | -0.2 m/s | +1.6 °C |
All twelve months in context
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Frequently asked questions
How warm is San Diego in June?
The average daily high is around 26 °C, with an average daily low of about 14 °C.
Can you swim in San Diego in June?
The sea is about 19 °C (refreshing).
Does it rain a lot in San Diego in June?
The curated estimate is about 1 rainy day per month, not a directly measured long-term average. Total precipitation averages around 9 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit San Diego?
By the climate score, May, June, September and October are the strongest months for San Diego. For a beach trip: June, July, August and September. June is one of them.