San Isidro Weather in January

San Isidro in January averages 24°C (75°F) during the day and 16°C (61°F) at night. Keep in mind that quite a bit of rainfall is expected this month.

Rainfall in San Isidro in January

On average, there are about 12 days with rain during this month, averaging 124 mm (4.9 in). The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in San Isidro in January

In January, San Isidro sees high temperatures, with highs of 24°C (75°F). Nights drop to around 16°C (61°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. At 16°C (61°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in San Isidro in January

Expect sunny days throughout the month, with an estimated 270 hours of sunshine. This makes it a pleasant time to visit San Isidro.

If you're a fan of comfortable temperatures and drier conditions, January is a great time to visit.

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• January
• February
• March
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• May
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• September
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• November
• December

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

San Isidro Temperature in January

Min Temperature 16°C (61°F)  

Max Temperature 24°C (75°F)  

Chance of Rain 40%  

Precipitation 124 mm (4.9 in)  

Rainy days 12 days  

Humidity 80% *  

Sunshine 270 hours *  

Percentage Sunshine *  

* Data from: Quepos, Costa Rica (50 KM, 31 Miles).

What to Wear in San Isidro in January

For San Isidro in January, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in San Isidro in January

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

Swimming

9/10

Cycling

9/10

Walking

9/10

Camping

6/10

Outdoor sports

9/10

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 Isidro's climate page.

More climate data for San Isidro

Temperature Rainfall Sunshine Humidity

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