December weather forecastSan Bartolo, Guatemala
December
Weather in December
The first month of the winter, December, is also an enjoyable month in San Bartolo, Guatemala, with an average temperature ranging between min 6.5°C (43.7°F) and max 17.6°C (63.7°F).Temperature
San Bartolo's shift into December is marked by a subtle change to a still enjoyable 17.6°C (63.7°F) from November's 17.4°C (63.3°F) in temperature. During December, San Bartolo records an average temperature of 6.5°C (43.7°F) at night.Humidity
The average relative humidity in December in San Bartolo, Guatemala, is 83%.Rainfall
In San Bartolo, in December, during 17.4 rainfall days, 29mm (1.14") of precipitation is typically accumulated. In San Bartolo, during the entire year, the rain falls for 295.3 days and collects up to 2656mm (104.57") of precipitation.Daylight
The month with the shortest days is December, with an average of 11h and 18min of daylight.On the first day of December in San Bartolo, Guatemala, sunrise is at 06:16 and sunset at 17:34. On the last day of the month, sunrise is at 06:31 and sunset at 17:46 CST.
Sunshine
In December, the average sunshine is 7h.UV index
The months with the highest UV index are February through May, July, October and December, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, a daily maximum UV index of 4 leads to the following instructions:
Adopt protective measures - It is advised to guard against sun damage. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
San Bartolo, Guatemala
- Average high temperature in December: 17.6°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 December: 6.5°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 December
San Bartolo, Guatemala
- Average pressure in December: 1015.6mbar
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 December
San Bartolo, Guatemala
- Average wind speed in December: 6km/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 December
San Bartolo, Guatemala
- Average humidity in December: 83%
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 December
San Bartolo, Guatemala
- Average rainfall in December: 29mm
The wettest month (with the highest rainfall) is June (521mm).
The driest month (with the least rainfall) is February (24mm).
Average rainfall days in December
San Bartolo, Guatemala
- Average rainfall days in December: 17.4 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 December /
Average sunshine in December
San Bartolo, Guatemala
- Average daylight in December: 11h and 18min
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 18min).
- Average sunshine in December: 7h and 0min
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 December
San Bartolo, Guatemala
- Average sunshine days in December: 9.5 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 December
San Bartolo, Guatemala
- Average UV index in December: 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 December
San Bartolo, Guatemala
- Average cloud cover in December: 51
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 December
San Bartolo, Guatemala
- Average visibility in December: 6km
The month with the highest visibility is April (8km).
The months with the lowest visibility are September and October (5km).
