Best Time to Visit
Best Time to Visit San Jose
🇨🇷 San Jose, Costa Rica · North America
Based on 30-year climate data (1991-2020) from Open-Meteo
Recommended Travel Months
Jan
24°
17°
Great
Feb
25°
17°
Great
Mar
26°
17°
Great
Apr
26°
18°
Great
May
25°
18°
Great
Jun
24°
18°
Great
Jul
24°
18°
Great
Aug
24°
18°
Great
Sep
24°
18°
Great
Oct
24°
18°
Good
Nov
23°
18°
Great
Dec
24°
17°
Great
Month-by-Month Weather in San Jose
| Month | High | Low | Rain Days | Sunshine | Humidity | UV | Rating | Details |
|---|---|---|---|---|---|---|---|---|
| JanuaryRecommended | 24°C | 17°C | 13 | 11h | 82% | 3 | Great | View |
| FebruaryRecommended | 25°C | 17°C | 11 | 11h | 82% | 3 | Great | View |
| MarchRecommended | 26°C | 17°C | 13 | 11h | 82% | 6 | Great | View |
| AprilRecommended | 26°C | 18°C | 17 | 10h | 82% | 6 | Great | View |
| MayRecommended | 25°C | 18°C | 28 | 8h | 82% | 8 | Great | View |
| JuneRecommended | 24°C | 18°C | 29 | 8h | 82% | 8 | Great | View |
| JulyRecommended | 24°C | 18°C | 28 | 8h | 82% | 8 | Great | View |
| AugustRecommended | 24°C | 18°C | 28 | 8h | 82% | 8 | Great | View |
| SeptemberRecommended | 24°C | 18°C | 29 | 8h | 82% | 6 | Great | View |
| October | 24°C | 18°C | 30 | 7h | 82% | 6 | Good | View |
| NovemberRecommended | 23°C | 18°C | 26 | 8h | 82% | 3 | Great | View |
| DecemberRecommended | 24°C | 17°C | 18 | 9h | 82% | 3 | Great | View |
Data source: Open-Meteo ERA5 reanalysis archive, 30-year historical normals (1991-2020). Temperatures in Celsius. Sunshine hours are daily averages.
Seasonal Guide to San Jose
Spring (March to May)
Avg: 26°C high, 18°C low
Spring in San Jose brings gradually warm temperatures. Daytime highs reach around 26°C (79°F) while nights cool to 18°C (64°F). This is one of the wetter periods, so waterproof gear is recommended.
Summer (June to August)
Avg: 24°C high, 18°C low
Summer is the warmest season in San Jose, with temperatures reaching 24°C (75°F). Comfortable warmth makes this a popular time for tourists, though accommodation prices tend to peak. Long daylight hours and abundant sunshine provide plenty of time to explore.
Fall (September to November)
Avg: 24°C high, 18°C low
Fall in San Jose is one of the best times to visit. Temperatures settle around 24°C (75°F) during the day and 18°C (64°F) at night. Rainfall picks up during this period, so waterproof clothing is advisable.
Winter (December to February)
Avg: 24°C high, 17°C low
Winter in San Jose brings the cooler period, though temperatures remain warm by most standards. This can actually be one of the most comfortable times to visit if you prefer less intense heat.
When to Avoid San Jose
The least favorable time to visit San Jose is October and January. During this period, you can expect heavy rainfall, high humidity.
October
Challenges: heavy rainfall, high humidity
January
Challenges: frequent rain, high humidity
March
Challenges: frequent rain, high humidity
Note: visiting during off-peak months often means lower prices, fewer crowds, and a more authentic experience. Consider your priorities when planning your trip.
What to Pack for San Jose
Packing recommendations for visiting San Jose during the best travel months (February, January, March), when temperatures range from 17°C to 25°C:
- +Light layers for warm days and cooler evenings
- +Comfortable walking shoes
- +Waterproof jacket and an umbrella (rain is frequent)
- +Waterproof shoes or boots
- +Sunscreen and sunglasses
- +Reusable water bottle
- +Universal power adapter
San Jose Year-Round Climate Overview
San Jose has a tropical climate (Koppen classification: Am). The warmest month is April with highs of 26°C, while the coldest month is November at just 23°C. Annual rainfall averages 3022mm across approximately 270 rain days.
| Metric | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High °C | 24 | 25 | 26 | 26 | 25 | 24 | 24 | 24 | 24 | 24 | 23 | 24 |
| Low °C | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 17 |
| Rain Days | 13 | 11 | 13 | 17 | 28 | 29 | 28 | 28 | 29 | 30 | 26 | 18 |
| Rain mm | 95 | 66 | 61 | 99 | 355 | 383 | 297 | 352 | 400 | 432 | 319 | 163 |
| Sun h/day | 11 | 11 | 11 | 10 | 8 | 8 | 8 | 8 | 8 | 7 | 8 | 9 |
| Humidity % | 82 | 82 | 82 | 82 | 82 | 82 | 82 | 82 | 82 | 82 | 82 | 82 |
| UV Index | 3 | 3 | 6 | 6 | 8 | 8 | 8 | 8 | 6 | 6 | 3 | 3 |
Compare Nearby Destinations
Considering alternatives to San Jose? Compare the best travel months for nearby cities:
Frequently Asked Questions
What is the best month to visit San Jose?+
The best time to visit San Jose is February, January, March. During these months, temperatures average 25°C (77°F) with 11 hours of daily sunshine and only 12 rain days per month. These conditions offer the most comfortable weather for sightseeing and outdoor activities.
What is the worst time to visit San Jose?+
The least ideal time to visit San Jose is October and January. During this period, you can expect heavy rainfall, high humidity. While San Jose can still be visited during this time (often with fewer crowds and lower prices), the weather may limit outdoor activities.
Is San Jose good to visit in summer?+
Summer in San Jose (June to August) brings temperatures of 24°C (75°F) highs and 18°C (64°F) lows, with about 8 hours of sunshine and 28 rain days per month. This is generally a good time to visit.
What is the rainy season in San Jose?+
The rainy season in San Jose runs from May to November, when average rain days increase to 28 days per month. Total monthly precipitation during this period averages 363mm.
What should I pack for San Jose?+
When visiting San Jose during the best travel months (February, January, March), pack light layers for warm days and cooler evenings, comfortable walking shoes, and a light jacket. A waterproof jacket and umbrella are essential. Sunscreen and sunglasses are recommended.
Is February a good time to visit San Jose?+
Yes, February is one of the best months to visit San Jose. Expect average highs of 25°C (77°F), 11 hours of daily sunshine, and only 11 rain days. The weather is ideal for exploring the city, visiting outdoor attractions, and enjoying local activities.
Detailed Monthly Weather for San Jose
For a complete day-by-day weather breakdown including packing lists, activities, and local events, explore each month individually:
January
February
March
April
May
June
July
August
September
October
November
December
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