Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
The arrival of May denotes a barely perceptible change in the average high-temperatures to a comfortable 19.3°C (66.7°F) from April's 21°C (69.8°F). Throughout May, San Rafael Petzal witnesses a consistent average low-temperature of 10.3°C (50.5°F).Humidity
The average relative humidity in May is 84%.Rainfall
In San Rafael Petzal, Guatemala, in May, it is raining for 28.6 days, with typically 319mm (12.56") of accumulated precipitation. Throughout the year, there are 295.3 rainfall days, and 2656mm (104.57") of precipitation is accumulated.Daylight
The average length of the day in May in San Rafael Petzal is 12h and 51min.On the first day of the month, sunrise is at 05:42 and sunset at 18:24. On the last day of May, in San Rafael Petzal, Guatemala, sunrise is at 05:35 and sunset at 18:33 CST.
Sunshine
The average sunshine in May in San Rafael Petzal 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 in San Rafael Petzal, Guatemala. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In May, the maximum UV index of 4 suggests this advice:
Prioritize safety - Suggestions to prevent sun damage are offered. When the Sun is at its strongest around midday, find shade and limit exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Frequently asked questions
What are May temperatures in San Rafael Petzal?
What is the average humidity in May in San Rafael Petzal?
How many days does it rain in May in San Rafael Petzal?
What is the average length of the day in May in San Rafael Petzal?
When are sunrise and sunset in May in San Rafael Petzal?
How long on average sun shines in May in San Rafael Petzal?
What are the months with the highest UV index in San Rafael Petzal?
How high is the UV index in May in San Rafael Petzal?
Average temperature in May
San Rafael Petzal, 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 Rafael Petzal, 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 Rafael Petzal, 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 Rafael Petzal, 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 Rafael Petzal, 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 Rafael Petzal, 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 Rafael Petzal, 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 Rafael Petzal, 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 Rafael Petzal, 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 Rafael Petzal, 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 Rafael Petzal, 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).
San Rafael Petzal, Guatemala
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