San José
Costa Rica
Long-term weather forecast
Long-term weather forecast

March weather forecast and climate
San José, Costa Rica

An aerial skyscape of San José, Costa Rica in the evening sun
An aerial skyscape of San José, Costa Rica in the evening sun
The first month of the spring, March, is still a warm month in San José, Costa Rica, with average temperature varying between 27.9°C (82.2°F) and 18.1°C (64.6°F).

Temperature

In San José, the average high-temperature is essentially the same as in February - a still moderately hot 27.9°C (82.2°F). The average low-temperature, in San José, Costa Rica, is 18.1°C (64.6°F).

Rainfall

In San José, during 2 rainfall days, 13.8mm (0.5") of precipitation is typically accumulated. Throughout the year, there are 107 rainfall days, and 1971mm (77.6") of precipitation is accumulated.

Daylight

The average length of the day in San José, Costa Rica, is 12.1h.

Sunshine

The average sunshine is 9.1h.

UV index

February through October, with an average maximum UV index of 12, are months with the highest UV index. A UV Index reading of 11, and higher, represents an ultimate health vulnerability from the exposure to the Sun's UV radiation for average individuals.
In March, the average maximum UV index of 12 translate into the following recommendations:
Take all required precautions, as unprotected skin and eyes can burn in minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Protect yourself by liberally applying a sunscreen of at least 30 SPF. Sunscreen prevents sunburn and decreases the damaging effects of Sun's radiation on the immune system.

What is the temperature in March in San José?

In March, in San José, the average high-temperature is 27.9°C (82.2°F), and the average low-temperature is 18.1°C (64.6°F).

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

In San José, in March, during 2 rainfall days, 13.8mm (0.5") of precipitation is typically accumulated.

How many hours of daylight does San José have in March?

In March, the average length of the day is 12.1h.

How many hours of sunshine does San José have in March?

In March, the average sunshine in San José is 9.1h.

What is the month with the highest UV index in San José?

February through October, with an average maximum UV index of 12, are months with the highest UV index.

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

In March, the average daily maximum UV index is 12. A UV Index value of 11, and more, symbolizes an excessive health risk from the exposure to the Sun's UV rays.
Average temperature in March - San José, Costa Rica
  • Average high temperature in March: 27.9°C

The warmest month (with the highest average high temperature) is April (28.4°C).
The month with the lowest average high temperature is December (25.9°C).

  • Average low temperature in March: 18.1°C

Months with the highest average low temperature are May and July (19°C).
The coldest month (with the lowest average low temperature) is January (17.8°C).

Average rainfall in March - San José, Costa Rica
  • Average rainfall in March: 13.8mm

The wettest month (with the highest rainfall) is September (355.1mm).
The driest month (with the lowest rainfall) is January (6.3mm).

Average rainfall days in March - San José, Costa Rica
  • Average rainfall days in March: 2 days

The month with the highest number of rainy days is September (18 days).
Months with the lowest number of rainy days are January and February (1 days).

Average daylight in March / Average sunshine in March - San José, Costa Rica
  • Average daylight in March: 12.1h

The month with the longest days is June (Average daylight: 12.7h).
Months with shortest days are January and December (Average daylight: 11.6h).

  • Average sunshine in March: 9.1h

The month with most sunshine is February (Average sunshine: 9.5h).
The month with least sunshine is June (Average sunshine: 4.8h).

Average UV index in March - San José, Costa Rica
  • Average UV index in March: 12

Months with the highest UV index are February, March, April, May, June, July, August, September and October (UV index 12).
The month with the lowest UV index is December (UV index 10).