San Jose Weather in May
Costa Rica · May climate averages and travel tips
Avg high26°C (78°F)
Avg low18°C (65°F)
Rainfall264 mm (10.4 in)
RatingPoor 3.6/10
In May, San Jose has average highs of 26°C (78°F) and lows of 18°C (65°F). The month is very wet, with about 264 mm (10.4 in) of rain spread over 25 days. You get roughly 12.5 hours of daylight and frequently cloudy skies.
Is May a good time to visit San Jose?
May is not the best time to visit San Jose (3.6/10) mainly because of the rain. The weather is much better in February and March.
May weather at a glance
| Average high | 26°C (78°F) |
|---|---|
| Average low | 18°C (65°F) |
| Daily mean | 21°C (70°F) |
| Rainfall | 264 mm (10.4 in) |
| Rainy days (1 mm+) | 25 |
| Humidity | 82% |
| Cloud cover | 84% |
| Daylight | 12.5 hours |
| Est. sunshine | 2.2 hours/day |
| Wind | 2.1 km/h |
| vs April | 2°C cooler than April, with 162 mm more rain. |
What to pack for San Jose in May
- T-shirts plus a light layer for the evening
- an umbrella or rain jacket
San Jose weather in other months
Jan24°C / 16°C38 mmExcellentFeb26°C / 16°C23 mmExcellentMar28°C / 17°C43 mmExcellentApr28°C / 18°C102 mmGoodMay26°C / 18°C264 mmPoorJun24°C / 18°C273 mmFairJul24°C / 18°C228 mmFairAug24°C / 18°C233 mmFairSep23°C / 18°C297 mmFairOct23°C / 18°C342 mmFairNov23°C / 17°C238 mmFairDec24°C / 16°C73 mmExcellent
← AprilBest time to visit San JoseJune →
Better weather in May nearby
- Los Angeles, California25°C · 8 mm · Excellent
- Cabo San Lucas28°C · 1 mm · Excellent
- San Diego, California24°C · 8 mm · Excellent
- San Francisco, California19°C · 18 mm · Excellent
- Tijuana24°C · 8 mm · Excellent
- Denver, Colorado23°C · 65 mm · Excellent
Nearby in May
- Managua33°C · 220 mm
- Panama City30°C · 264 mm
- Tegucigalpa31°C · 164 mm
- San Salvador28°C · 211 mm
- Guatemala City26°C · 166 mm
- Cartagena30°C · 183 mm
Where else is good in May? See where to go in May.