San Rafael Weather in May

In San Rafael, May brings high daytime temperatures around 26°C (79°F), with nights cooling to 18°C (64°F). This month falls within the rainy season, so expect frequent rainfall.

Rainfall in San Rafael in May

As part of the rainy season, San Rafael sees around 19 days of rain in May, with an average of 375 mm (15 in). Showers during the rainy season tend to be heavy and can come down intensely. An umbrella is often not enough, so a poncho or waterproof jacket is a better choice.

Temperature in San Rafael in May

In May, expect high temperatures in San Rafael, with highs of 26°C (79°F) and lows of 18°C (64°F) at night. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights drop to around 18°C (64°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in San Rafael in May

The area experiences a moderate amount of sunshine, with approximately 183 hours of sunlight expected. Even though this month is part of the rainy season, you could still see the sun every now and then.

May in San Rafael can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.

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• January
• February
• March
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• May
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• September
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For a detailed overview over the year and the best time to visit Costa Rica, check out our San Rafael's climate page.

San Rafael Temperature in May

Min Temperature 18°C (64°F)  

Max Temperature 26°C (79°F)  

Chance of Rain 63%  

Precipitation 375 mm (15 in)  

Rainy days 19 days  

Humidity 77% *  

Sunshine 183 hours *  

Percentage Sunshine *  

* Data from: San José, Costa Rica (15 KM, 9 Miles).

What to Wear in San Rafael in May

Warm but pleasant conditions in San Rafael in May. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in San Rafael in May

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

7/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Costa Rica, check out our San Rafael's climate page.

More climate data for San Rafael

Temperature Rainfall Sunshine Humidity

See the full San Rafael climate overview or explore weather in Costa Rica.