March weather forecast
San José, Costa Rica

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Skyscape of San José, Costa Rica in the evening sun
Skyscape of San José, Costa Rica in the evening sun

Weather in March

An enhanced mellow warmth characterises the month of March in San José. This month shows a minor climb in temperature, reaching 25.8°C (78.4°F), subtly warmer than the previous month. As March progresses, clear skies and a moderate reduction in rainfall provide ideal weather conditions for sightseeing and exploration. The weather lends a unique charm to the city during this period.

Temperature

March's advent presents an average high-temperature of a still warm 25.8°C (78.4°F), indicating a slight variation from the conditions of the previous month. San José records an average low of 14.5°C (58.1°F) throughout the nights in March.

Humidity

February and March, with an average relative humidity of 75%, are the least humid months in San José.

Rainfall

In San José, during March, the rain falls for 15.5 days and regularly aggregates up to 28mm (1.1") of precipitation. In San José, Costa Rica, during the entire year, the rain falls for 287.8 days and collects up to 2585mm (101.77") of precipitation.

Daylight

In San José, the average length of the day in March is 12h and 5min.
On the first day of March, sunrise is at 05:50 and sunset at 17:46. On the last day of the month, sunrise is at 05:33 and sunset at 17:46 CST.

Sunshine

In San José, the average sunshine in March is 8.9h.

UV index

January through December, with an average maximum UV index of 5, are months with the highest UV index in San José. January through December, with an average maximum UV index of 5, are months with the lowest UV index in San José. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.
Note: A daily high UV index of 5 in March leads to these guidelines:
Act with care - The need to guard against sun damage is communicated. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.

Frequently asked questions

What are the temperatures in San José in March?

In March, in San José, the average high-temperature is 25.8°C (78.4°F), and the average low-temperature is 14.5°C (58.1°F).

What are the least humid months in San José?

February and March, with an average relative humidity of 75%, are the least humid months in San José.

What is the average humidity in March in San José?

In March, the average relative humidity is 75%.

How many days does it rain in March in San José?

In San José, Costa Rica, in March, during 15.5 rainfall days, 28mm (1.1") of precipitation is typically accumulated.

What is the average length of the day in March in San José?

The average day length in March is 12h and 5min.

When are sunrise and sunset in March in San José?

On the first day of March in San José, sunrise is at 05:50 and sunset at 17:46. On the last day of the month, sunrise is at 05:33 and sunset at 17:46 CST.

How long on average sun shines in March in San José?

In March, the average sunshine duration in San José, Costa Rica, is 8.9h.

What are the months with the highest UV index in San José?

January through December, with an average maximum UV index of 5, are months with the highest UV index in San José.

When is the lowest UV index in San José?

The months with the lowest UV index are January through December, with an average maximum UV index of 5.

What is the UV index intensity in March in San José?

In San José, the average daily maximum UV index in March is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in March
San José, Costa Rica

Average temperature in March - San José, Costa Rica
  • Average high temperature in March: 25.8°C

The warmest month (with the highest average high temperature) is April (26°C).
The month with the lowest average high temperature is October (22.4°C).

  • Average low temperature in March: 14.5°C

The month with the highest average low temperature is June (17°C).
The coldest month (with the lowest average low temperature) is January (13.8°C).

Average pressure in March
San José, Costa Rica

Average pressure in March - San José, Costa Rica
  • Average pressure in March: 1012.1mbar

The month with the highest atmospheric pressure is January (1012.3mbar).
The month with the lowest atmospheric pressure is October (1010.8mbar).

Average wind speed in March
San José, Costa Rica

Average wind speed in March - San José, Costa Rica
  • Average wind speed in March: 9.6km/h

The windiest month (with the highest average wind speed) is February (10.7km/h).
The calmest month (with the lowest average wind speed) is September (4.3km/h).

Average humidity in March
San José, Costa Rica

Average humidity in March - San José, Costa Rica
  • Average humidity in March: 75%

The months with the highest relative humidity are September and October (91%).
The months with the lowest relative humidity are February and March (75%).

Average rainfall in March
San José, Costa Rica

Average rainfall in March - San José, Costa Rica
  • Average rainfall in March: 28mm

The wettest month (with the highest rainfall) is October (438mm).
The driest month (with the least rainfall) is February (26mm).

Average rainfall days in March
San José, Costa Rica

Average rainfall days in March - San José, Costa Rica
  • Average rainfall days in March: 15.5 days

The month with the highest number of rainy days is October (30.5 days).
The month with the least rainy days is February (12.2 days).

Average daylight in March /
Average sunshine in March
San José, Costa Rica

Average daylight in March / Average sunshine in March - San José, Costa Rica
  • Average daylight in March: 12h and 1min

The month with the longest days is June (Average daylight: 12h and 42min).
The month with the shortest days is December (Average daylight: 11h and 36min).

  • Average sunshine in March: 8h and 5min

The month with the most sunshine is February (Average sunshine: 9h and 12min).
The month with the least sunshine is October (Average sunshine: 5h and 48min).

Average sunshine days in March
San José, Costa Rica

Average sunshine days in March - San José, Costa Rica
  • Average sunshine days in March: 13.5 days

The month with the most sunshine days is March (13.5 days).
The month with the least sunshine days is September (0.1 days).

Average UV index in March
San José, Costa Rica

Average UV index in March - San José, Costa Rica
  • Average UV index in March: 5

The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 5).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 5).

Average cloud cover in March
San José, Costa Rica

Average cloud cover in March - San José, Costa Rica
  • Average cloud cover in March: 34

The month with the most cloud cover is October (Cloud cover 68).
The month with the least cloud cover is February (Cloud cover 30).

Average visibility in March
San José, Costa Rica

Average visibility in March - San José, Costa Rica
  • Average visibility in March: 9km

The months with the highest visibility are January, February and March (9km).
The months with the lowest visibility are August, September, October and November (6km).

San José, Costa Rica

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