May weather forecast
San Sebastian Coatan, Guatemala

May

Weather in May

May, the last month of the spring in San Sebastian Coatan, is another refreshing month, with an average temperature fluctuating between 10.3°C (50.5°F) and 19.3°C (66.7°F).

Temperature

The shift into May finds San Sebastian Coatan at an average high-temperature of a comfortable 19.3°C (66.7°F), closely comparable to April's conditions. An average temperature of 10.3°C (50.5°F) is recorded in San Sebastian Coatan during the nights in May.

Humidity

In May, the average relative humidity is 84%.

Rainfall

In San Sebastian Coatan, during May, the rain falls for 28.6 days and regularly aggregates up to 319mm (12.56") of precipitation. In San Sebastian Coatan, Guatemala, during the entire year, the rain falls for 295.3 days and collects up to 2656mm (104.57") of precipitation.

Daylight

The average length of the day in May is 12h and 52min.
On the first day of the month, sunrise is at 05:41 and sunset at 18:24. On the last day of May, in San Sebastian Coatan, sunrise is at 05:34 and sunset at 18:34 CST.

Sunshine

In San Sebastian Coatan, the average sunshine in May is 7.8h.

UV index

February through May, July, October and December, with an average maximum UV index of 4, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum daily UV index of 4 in May converts into the following recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.

Frequently asked questions

What is the temperature in May in San Sebastian Coatan?
In San Sebastian Coatan, in May, the average high-temperature is 19.3°C (66.7°F), and the average low-temperature is 10.3°C (50.5°F).
What is the average humidity in May in San Sebastian Coatan?
In May, the average relative humidity is 84%.
How much does it rain in San Sebastian Coatan in May?
In San Sebastian Coatan, in May, during 28.6 rainfall days, 319mm (12.56") of precipitation is typically accumulated.
How many hours of daylight does San Sebastian Coatan have in May?
In San Sebastian Coatan, Guatemala, the average day length in May is 12h and 52min.
When are sunrise and sunset in May in San Sebastian Coatan?
In May, on the first day of the month, sunrise is at 05:41 and sunset at 18:24. On the last day of the month, sunrise is at 05:34 and sunset at 18:34 CST.
How long on average sun shines in May in San Sebastian Coatan?
In May, the average sunshine duration in San Sebastian Coatan is 7.8h.
What are the months with the highest UV index in San Sebastian Coatan?
The months with the highest UV index are February through May, July, October and December, with an average maximum UV index of 4.
What is the UV index reading in May in San Sebastian Coatan?
In San Sebastian Coatan, Guatemala, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from unsafe 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 May - San Sebastian Coatan, Guatemala
Average temperature in May
San Sebastian Coatan, Guatemala
  • Average high temperature in May: 19.3°C

The warmest month (with the highest average high temperature) is April (21°C).
The month with the lowest average high temperature is September (16.7°C).

  • Average low temperature in May: 10.3°C

The month with the highest average low temperature is June (10.4°C).
The coldest month (with the lowest average low temperature) is January (6°C).

Average pressure in May - San Sebastian Coatan, Guatemala
Average pressure in May
San Sebastian Coatan, Guatemala
  • Average pressure in May: 1013mbar

The month with the highest atmospheric pressure is January (1016.3mbar).
The month with the lowest atmospheric pressure is May (1013mbar).

Average wind speed in May - San Sebastian Coatan, Guatemala
Average wind speed in May
San Sebastian Coatan, Guatemala
  • Average wind speed in May: 4.4km/h

The windiest month (with the highest average wind speed) is July (6.5km/h).
The calmest month (with the lowest average wind speed) is May (4.4km/h).

Average humidity in May - San Sebastian Coatan, Guatemala
Average humidity in May
San Sebastian Coatan, Guatemala
  • Average humidity in May: 84%

The month with the highest relative humidity is September (93%).
The months with the lowest relative humidity are March and April (77%).

Average rainfall in May - San Sebastian Coatan, Guatemala
Average rainfall in May
San Sebastian Coatan, Guatemala
  • Average rainfall in May: 319mm

The wettest month (with the highest rainfall) is June (521mm).
The driest month (with the least rainfall) is February (24mm).

Average rainfall days in May - San Sebastian Coatan, Guatemala
Average rainfall days in May
San Sebastian Coatan, Guatemala
  • Average rainfall days in May: 28.6 days

The month with the highest number of rainy days is August (30 days).
The month with the least rainy days is February (16 days).

Average daylight in May / Average sunshine in May - San Sebastian Coatan, Guatemala
Average daylight in May /
Average sunshine in May
San Sebastian Coatan, Guatemala
  • Average daylight in May: 12h and 5min

The month with the longest days is June (Average daylight: 13h and 0min).
The month with the shortest days is December (Average daylight: 11h and 12min).

  • Average sunshine in May: 7h and 5min

The month with the most sunshine is April (Average sunshine: 9h and 48min).
The months with the least sunshine are June and September (Average sunshine: 5h and 24min).

Average sunshine days in May - San Sebastian Coatan, Guatemala
Average sunshine days in May
San Sebastian Coatan, Guatemala
  • Average sunshine days in May: 1.5 days

The month with the most sunshine days is December (9.5 days).
The month with the least sunshine days is September (0.1 days).

Average UV index in May - San Sebastian Coatan, Guatemala
Average UV index in May
San Sebastian Coatan, Guatemala
  • Average UV index in May: 4

The months with the highest UV index are February, March, April, May, July, October and December (UV index 4).
The months with the lowest UV index are January, June, August, September and November (UV index 3).

Average cloud cover in May - San Sebastian Coatan, Guatemala
Average cloud cover in May
San Sebastian Coatan, Guatemala
  • Average cloud cover in May: 58

The months with the most cloud cover are June and September (Cloud cover 75).
The month with the least cloud cover is March (Cloud cover 41).

Average visibility in May - San Sebastian Coatan, Guatemala
Average visibility in May
San Sebastian Coatan, Guatemala
  • Average visibility in May: 7km

The month with the highest visibility is April (8km).
The months with the lowest visibility are September and October (5km).

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