June weather forecast
San José, Costa Rica

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

Weather in June

The first month of the summer, June, is also a moderately hot month in San José, Costa Rica, with an average temperature varying between 23.3°C (73.9°F) and 17°C (62.6°F).

Temperature

In June, the average high-temperature is relatively the same as in May - a still moderately hot 23.3°C (73.9°F). The average low-temperature, in San José, Costa Rica, is 17°C (62.6°F).

Humidity

In June, the average relative humidity in San José is 90%.

Rainfall

In San José, during June, the rain falls for 28.9 days and regularly aggregates up to 378mm (14.88") of precipitation. Throughout the year, there are 287.8 rainfall days, and 2585mm (101.77") of precipitation is accumulated.

Daylight

June has the longest days of the year in San José, Costa Rica, with an average of 12h and 42min of daylight.
On the first day of June in San José, sunrise is at 05:14 and sunset at 17:54. On the last day of the month, sunrise is at 05:19 and sunset at 18:01 CST.

Sunshine

In San José, the average sunshine in June is 6.2h.

UV index

January through December, with an average maximum UV index of 5, are months with the highest UV index. 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 moderate health risk from exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 5 in June interpret into the following advice:
Take precautions - Protection against skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in June in San José?

In San José, in June, the average high-temperature is 23.3°C (73.9°F), and the average low-temperature is 17°C (62.6°F).

What is the average humidity in June in San José?

The average relative humidity in June in San José is 90%.

How much does it rain in San José in June?

In June, the rain falls for 28.9 days. Throughout June, 378mm (14.88") of precipitation is accumulated.

When are the longest days in San José?

The month with the longest days in San José, Costa Rica, is June, with an average of 12h and 42min of daylight.

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

In San José, the average day length in June is 12h and 42min.

What time are sunrise and sunset in June in San José?

In June, on the first day of the month, sunrise is at 05:14 and sunset at 17:54. On the last day of the month, sunrise is at 05:19 and sunset at 18:01 CST.

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

The average sunshine duration in June is 6.2h.

What is the month 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, Costa Rica.

What is the month with the lowest 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, Costa Rica.

What is the UV index reading in June in San José?

The average daily maximum UV index in June is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.

Average temperature in June
San José, Costa Rica

Average temperature in June - San José, Costa Rica
  • Average high temperature in June: 23.3°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 June: 17°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).

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Average pressure in June
San José, Costa Rica

Average pressure in June - San José, Costa Rica
  • Average pressure in June: 1011.2mbar

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

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Average wind speed in June
San José, Costa Rica

Average wind speed in June - San José, Costa Rica
  • Average wind speed in June: 5km/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).

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Average humidity in June
San José, Costa Rica

Average humidity in June - San José, Costa Rica
  • Average humidity in June: 90%

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

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Average rainfall in June
San José, Costa Rica

Average rainfall in June - San José, Costa Rica
  • Average rainfall in June: 378mm

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

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Average rainfall days in June
San José, Costa Rica

Average rainfall days in June - San José, Costa Rica
  • Average rainfall days in June: 28.9 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).

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

Average daylight in June / Average sunshine in June - San José, Costa Rica
  • Average daylight in June: 12h and 42min

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 34min).

  • Average sunshine in June: 6h and 12min

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).

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Average sunshine days in June
San José, Costa Rica

Average sunshine days in June - San José, Costa Rica
  • Average sunshine days in June: 0.5 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).

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Average UV index in June
San José, Costa Rica

Average UV index in June - San José, Costa Rica
  • Average UV index in June: 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).

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Average cloud cover in June
San José, Costa Rica

Average cloud cover in June - San José, Costa Rica
  • Average cloud cover in June: 65

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

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Average visibility in June
San José, Costa Rica

Average visibility in June - San José, Costa Rica
  • Average visibility in June: 7km

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).

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