June weather forecastJava, São Tomé and Príncipe

June

Weather in June

June stands apart in the weather calendar of Java, São Tomé and Príncipe, as it sets in the dry season. The amount of rainfall drops significantly, with only 22mm (0.87") recorded throughout the month. In contrast to May, June sees an upsurge in wind speed, hitting a maximum of 18.1km/h (11.2mph). The low rainfall and high winds make June a unique month in the city’s weather calendar. The influence of trade winds renders a serene atmosphere, ideal for serene beach days and coastal activities.

Temperature

Java indicates an average high-temperature of a still warm 25.6°C (78.1°F) in June, showing minor variation from May's 27.8°C (82°F). Nighttime, during June, brings an average low of 24.3°C (75.7°F), a modest reduction from the day's peak.

Humidity

In June, the average relative humidity in Java is 81%.

Rainfall

In Java, in June, during 7.3 rainfall days, 22mm (0.87") of precipitation is typically accumulated. Throughout the year, there are 241.7 rainfall days, and 1287mm (50.67") of precipitation is accumulated.

Daylight

June has the longest days of the year in Java, with an average of 12h and 6min of daylight.
On the first day of June, sunrise is at 05:27 and sunset at 17:35. On the last day of the month, sunrise is at 05:33 and sunset at 17:41 GMT.

Sunshine

The average sunshine in June in Java, São Tomé and Príncipe, is 6.4h.

UV index

The average daily maximum UV index in June in Java is 6. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index of 6 in June converts into the following recommendations:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays.

Frequently asked questions

The high-temperature, in June, in Java, is 25.6°C (78.1°F), while the low-temperature averages to 24.3°C (75.7°F). In May, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, is evaluated at 31°C (87.8°F).

In June, the average relative humidity in Java, São Tomé and Príncipe, is 81%.

In June, in Java, the rain falls for 7.3 days. Throughout June, 22mm (0.87") of precipitation is accumulated.

With an average of 12h and 6min of daylight, June has the longest days of the year in Java, São Tomé and Príncipe.

In Java, São Tomé and Príncipe, the average day length in June is 12h and 8min.

On the first day of June in Java, São Tomé and Príncipe, sunrise is at 05:27 and sunset at 17:35. On the last day of the month, sunrise is at 05:33 and sunset at 17:41 GMT.

In Java, São Tomé and Príncipe, the average sunshine duration in June is 6.4h.

In June, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in June
Java, São Tomé and Príncipe

  • Average high temperature in June: 25.6°C

The warmest month (with the highest average high temperature) is March (28.8°C).
The month with the lowest average high temperature is July (24.5°C).

  • Average low temperature in June: 24.3°C

The month with the highest average low temperature is March (27.5°C).
The coldest month (with the lowest average low temperature) is July (23°C).

Average pressure in June
Java, São Tomé and Príncipe

  • Average pressure in June: 1013.5mbar

The month with the highest atmospheric pressure is July (1014.3mbar).
The month with the lowest atmospheric pressure is February (1009.8mbar).

Average wind speed in June
Java, São Tomé and Príncipe

  • Average wind speed in June: 17.6km/h

The windiest month (with the highest average wind speed) is July (17.7km/h).
The calmest month (with the lowest average wind speed) is December (10.8km/h).

Average humidity in June
Java, São Tomé and Príncipe

  • Average humidity in June: 81%

The months with the highest relative humidity are August, September and October (83%).
The month with the lowest relative humidity is March (76%).

Average rainfall in June
Java, São Tomé and Príncipe

  • Average rainfall in June: 22mm

The wettest month (with the highest rainfall) is November (224mm).
The driest month (with the least rainfall) is July (9mm).

Average rainfall days in June
Java, São Tomé and Príncipe

  • Average rainfall days in June: 7.3 days

The month with the highest number of rainy days is December (28.6 days).
The month with the least rainy days is June (7.3 days).

Average daylight in June /
Average sunshine in June
Java, São Tomé and Príncipe

  • Average daylight in June: 12h and 6min

The month with the longest days is June (Average daylight: 12h and 6min).
The month with the shortest days is November (Average daylight: 12h and 6min).

  • Average sunshine in June: 6h and 24min

The month with the most sunshine is February (Average sunshine: 8h and 36min).
The month with the least sunshine is August (Average sunshine: 5h and 0min).

Average sunshine days in June
Java, São Tomé and Príncipe

  • Average sunshine days in June: 16.4 days

The month with the most sunshine days is June (16.4 days).
The month with the least sunshine days is December (1.5 days).

Average UV index in June
Java, São Tomé and Príncipe

  • Average UV index in June: 6

The months with the highest UV index are January, February, March, April, May, October, November and December (UV index 7).
The month with the lowest UV index is July (UV index 5).

Average cloud cover in June
Java, São Tomé and Príncipe

  • Average cloud cover in June: 52

The month with the most cloud cover is August (Cloud cover 65).
The month with the least cloud cover is February (Cloud cover 37).

Average visibility in June
Java, São Tomé and Príncipe

  • Average visibility in June: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September and December (10km).
The months with the lowest visibility are October and November (9km).