June weather forecast
San Francisco, Costa Rica

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Weather in June

Navigating into June, San Francisco continues to experience elevated levels of humidity and rainfall, a signature characteristic of Costa Rican weather. A slight drop in temperatures from May creates a mildly cooler environment. Alongside this, wind speeds decrease to 4.5km/h (2.8mph), allowing for calmer days amidst the rain-drenched city. As the midpoint of the year approaches, the city adjusts to a routine weather pattern, seemingly acceptable by its inhabitants.

Temperature

June ushers in an average high-temperature of a still moderately hot 26.3°C (79.3°F), aligning closely with the preceding month. During June, San Francisco's temperature falls to a steady low-temperature average of 19.5°C (67.1°F).

Humidity

In San Francisco, the average relative humidity in June is 87%.

Rainfall

In San Francisco, in June, it is raining for 28 days, with typically 323mm (12.72") of accumulated precipitation. In San Francisco, Costa Rica, during the entire year, the rain falls for 272 days and collects up to 2217mm (87.28") of precipitation.

Daylight

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

Sunshine

In June, the average sunshine is 7.8h.

UV index

The months with the highest UV index are January through April, June, July, September, October and December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The UV index of 6 during June leads to these advisories:
Guard against overexposure. Protection from sun-induced harm is essential. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Boost your sun resistance with garments that are densely woven yet spacious.

Frequently asked questions

What is the usual temperature for San Francisco in June?

June temperatures in San Francisco, Costa Rica, vary between a high-temperature of 26.3°C (79.3°F) and a low-temperature of 19.5°C (67.1°F). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in May is estimated at 32°C (89.6°F).

What is the average humidity in June in San Francisco?

The average relative humidity in June is 87%.

How many days does it rain in June in San Francisco?

In San Francisco, Costa Rica, in June, during 28 rainfall days, 323mm (12.72") of precipitation is typically accumulated.

When are the longest days in San Francisco?

The month with the longest days is June, with an average of 12h and 42min of daylight.

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

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

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

On the first day of June in San Francisco, Costa Rica, 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 many hours of sunshine does San Francisco have in June?

The average sunshine duration in June in San Francisco, Costa Rica, is 7.8h.

When is the highest UV index in San Francisco?

The months with the highest UV index are January through April, June, July, September, October and December, with an average maximum UV index of 6.

What is the UV index intensity in June in San Francisco?

In San Francisco, the average daily maximum UV index in June is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability 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 June
San Francisco, Costa Rica

Average temperature in June - San Francisco, Costa Rica
  • Average high temperature in June: 26.3°C

The warmest months (with the highest average high temperature) are March and April (29.7°C).
The month with the lowest average high temperature is October (25.4°C).

  • Average low temperature in June: 19.5°C

The month with the highest average low temperature is May (19.8°C).
The coldest month (with the lowest average low temperature) is January (16.8°C).

Average pressure in June
San Francisco, Costa Rica

Average pressure in June - San Francisco, Costa Rica
  • Average pressure in June: 1011mbar

The month with the highest atmospheric pressure is January (1012.1mbar).
The month with the lowest atmospheric pressure is October (1010.7mbar).

Average wind speed in June
San Francisco, Costa Rica

Average wind speed in June - San Francisco, Costa Rica
  • Average wind speed in June: 4.5km/h

The windiest month (with the highest average wind speed) is February (10.6km/h).
The calmest month (with the lowest average wind speed) is September (3.8km/h).

Average humidity in June
San Francisco, Costa Rica

Average humidity in June - San Francisco, Costa Rica
  • Average humidity in June: 87%

The month with the highest relative humidity is October (89%).
The month with the lowest relative humidity is March (70%).

Average rainfall in June
San Francisco, Costa Rica

Average rainfall in June - San Francisco, Costa Rica
  • Average rainfall in June: 323mm

The wettest month (with the highest rainfall) is October (396mm).
The driest month (with the least rainfall) is February (17mm).

Average rainfall days in June
San Francisco, Costa Rica

Average rainfall days in June - San Francisco, Costa Rica
  • Average rainfall days in June: 28 days

The month with the highest number of rainy days is October (30.2 days).
The month with the least rainy days is February (10.3 days).

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

Average daylight in June / Average sunshine in June - San Francisco, Costa Rica
  • Average daylight in June: 12h and 4min

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 June: 7h and 5min

The month with the most sunshine is March (Average sunshine: 9h and 24min).
The month with the least sunshine is October (Average sunshine: 7h and 0min).

Average sunshine days in June
San Francisco, Costa Rica

Average sunshine days in June - San Francisco, Costa Rica
  • Average sunshine days in June: 1.7 days

The month with the most sunshine days is January (16.7 days).
The month with the least sunshine days is September (0.5 days).

Average UV index in June
San Francisco, Costa Rica

Average UV index in June - San Francisco, Costa Rica
  • Average UV index in June: 6

The months with the highest UV index are January, February, March, April, June, July, September, October and December (UV index 6).
The months with the lowest UV index are May, August and November (UV index 5).

Average cloud cover in June
San Francisco, Costa Rica

Average cloud cover in June - San Francisco, Costa Rica
  • Average cloud cover in June: 53

The month with the most cloud cover is October (Cloud cover 54).
The month with the least cloud cover is February (Cloud cover 19).

Average visibility in June
San Francisco, Costa Rica

Average visibility in June - San Francisco, Costa Rica
  • Average visibility in June: 8km

The months with the highest visibility are February and March (10km).
The months with the lowest visibility are August, September, October and November (7km).

San Francisco, Costa Rica

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