Winter Dec – Feb
The coldest season, with highs near 63°F (17°C) and lows down to 54°F (12°C). It's the wettest season, with about 7.5 in (191 mm) of rain, 61% of the year's total. January is among the best-scoring months (season average 87/100).
Best time to visit · California, United States
Best Time to Visit La Jolla
For the most comfortable weather in La Jolla, aim for January, March & April and September – November. November tops our comfort score at 93/100, with highs around 68°F (20°C) and 1.1 in (28 mm) of rain. February, May, August and December are good shoulder-season months. The toughest months are June & July, mainly because of cloud cover.
- Best months
- Jan, Mar & Apr and Sep – Nov
- Shoulder
- Feb, May, Aug and Dec
- Toughest
- Jun & Jul
- Warmest
- Sep · 76°F
- Coldest nights
- Feb · 54°F
- Wettest
- Feb · 2.7 in
- Driest
- Aug · 0.1 in
La Jolla weather by month
Highs run from 62°F to 76°F across the year, and the yearly total is about 12.4 in (315 mm) of rain.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high | 63°F17°C | 62°F17°C | 64°F18°C | 65°F18°C | 67°F19°C | 70°F21°C | 74°F24°C | 76°F25°C | 76°F25°C | 73°F23°C | 68°F20°C | 63°F17°C |
| Avg low | 55°F13°C | 54°F12°C | 55°F13°C | 56°F13°C | 58°F14°C | 60°F16°C | 65°F18°C | 66°F19°C | 66°F19°C | 63°F17°C | 59°F15°C | 55°F13°C |
| Rain | 2.3 in59 mm | 2.7 in69 mm | 1.3 in33 mm | 0.8 in21 mm | 0.3 in8 mm | 0.2 in5 mm | 0.2 in4 mm | 0.1 in3 mm | 0.2 in5 mm | 0.7 in17 mm | 1.1 in28 mm | 2.5 in63 mm |
| Humidity | 69% | 72% | 75% | 76% | 78% | 78% | 76% | 73% | 72% | 71% | 68% | 69% |
| Cloud | 50% | 56% | 60% | 60% | 72% | 81% | 75% | 69% | 59% | 54% | 50% | 51% |
| Comfort | 89 | 85 | 89 | 90 | 86 | 77 | 81 | 85 | 89 | 91 | 93 | 88 |
Source: NASA POWER (public domain), 2001–2025 monthly averages on a ~50 km satellite and reanalysis grid, so coasts and valleys can differ from what's shown. The grid cell sits at about 76 m (249 ft), close to La Jolla's own ~27 m. Precipitation includes snow as melted water; daylight is calculated from latitude. Check a forecast before you go.
How we pick the best months
- Temperature (40 pts): full marks for average daytime highs of 64–81°F (18–27°C); minus 3 points per °C below and 4 per °C above.
- Rain (25 pts): full marks up to 40 mm (1.6 in) a month, falling to zero at 250 mm (9.8 in).
- Humidity (15 pts): only counts when it is warm (mean above 18°C); minus 0.75 points per % above 70% relative humidity.
- Cloud (20 pts): full marks at 30% cloud cover or less, falling to zero at 90%.
Best months: within 6 points of the top (or 85+). Shoulder: within 18 and at least 45. Toughest: within 6 of the lowest. Comfort only; crowds, prices, festivals and openings aren't scored.
La Jolla season by season
Spring Mar – May
Temperatures hold fairly even, with highs of 64–67°F (18–19°C). About 2.4 in (62 mm) of rain falls across these months, 20% of the year's total. Lows bottom out around 55°F (13°C). Comfort peaks here: March & April rank with the year's best, and the season averages 88/100.
Summer Jun – Aug
Temperatures climb through the season, from 70°F highs in June to 76°F by August. It's the driest season, with only about 0.5 in (12 mm) of rain, 4% of the year's total. July feels humid, with humidity near 76%. Comfort scores bottom out in June & July; the season averages 81/100.
Autumn Sep – Nov
Peak warmth: highs of 68–76°F (20–25°C). About 2.0 in (50 mm) of rain falls across these months, 16% of the year's total. Lows bottom out around 59°F (15°C). Comfort peaks here: September – November rank with the year's best, and the season averages 91/100.
What our curated routes say
- Our curated San Diego New Year's Eve route recommends Dec 30 – Jan 1. That window is set by the holiday season rather than the weather. Highs here average 63°F in January and 63°F in December.
Plan by month
By comfort score: 12 Great. Tap a month for its own guide.
La Jolla weather questions
When is the best time to visit La Jolla?
For the most comfortable weather in La Jolla, aim for January, March & April and September – November. November tops our comfort score at 93/100, with highs around 68°F (20°C) and 1.1 in (28 mm) of rain. February, May, August and December are good shoulder-season months. The toughest months are June & July, mainly because of cloud cover.
What is the rainiest month in La Jolla?
February is the wettest month, averaging about 2.7 in (69 mm) of rain. August is the driest, with about 0.1 in (3 mm). The yearly total is around 12.4 in (315 mm).
What is the coldest month in La Jolla?
February is the coldest, with average lows of 54°F (12°C) and highs of 62°F (17°C). The warmest is September, with average highs of 76°F (25°C).
Is La Jolla humid in summer?
Yes: in July humidity averages 76% with warm temperatures, so it feels muggy. Summer highs peak around 76°F (25°C).
When is the rainy season in La Jolla?
The wettest three-month stretch is December – February, with about 7.5 in (191 mm) of rain combined. The driest stretch is June – August, with about 0.5 in (12 mm).
More on La Jolla
Weather nearby
- Downtown San Diego & Gaslamp Quarter weather ~11 mi away
- Palm Springs weather ~80 mi away
- Los Angeles weather ~101 mi away
- Pasadena weather ~103 mi away
- Hollywood weather ~106 mi away
- Joshua Tree weather ~107 mi away
Routes and legs
Pick your La Jolla dates together
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