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 onset of May introduces a subtle rise in the average high-temperature, nudging from a refreshing 19.3°C (66.7°F) in April to an agreeable 22.8°C (73°F). São Francisco temperatures generally rest at a low of 14.3°C (57.7°F) during the May nights.Humidity
In May, the average relative humidity in São Francisco, Portugal, is 68%.Rainfall
In São Francisco, in May, during 6.4 rainfall days, 12mm (0.47") of precipitation is typically accumulated. In São Francisco, Portugal, during the entire year, the rain falls for 78.2 days and collects up to 171mm (6.73") of precipitation.Daylight
In May, the average length of the day in São Francisco is 14h and 18min.On the first day of May, sunrise is at 06:37 and sunset at 20:28. On the last day of the month, sunrise is at 06:12 and sunset at 20:54 WEST.
Sunshine
In May, the average sunshine is 10.5h.UV index
In São Francisco, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: A typical high UV index of 5 in May suggests the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Experience reduced UV exposure by about half when donning a wide-brim hat.
Frequently asked questions
What are the temperatures in São Francisco in May?
What is the average humidity in May in São Francisco?
How much does it rain in São Francisco in May?
What is the average length of the day in May in São Francisco?
When is the sunrise / sunset in May in São Francisco?
How long on average sun shines in May in São Francisco?
How high is the UV index in May in São Francisco?
Average temperature in May
São Francisco, Portugal
- Average high temperature in May: 22.8°C
The warmest month (with the highest average high temperature) is August (28.5°C).
The month with the lowest average high temperature is January (14.8°C).
- Average low temperature in May: 14.3°C
The months with the highest average low temperature are July and August (17.3°C).
The coldest month (with the lowest average low temperature) is February (9°C).
Average pressure in May
São Francisco, Portugal
- Average pressure in May: 1016.4mbar
The month with the highest atmospheric pressure is December (1022.6mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).
Average wind speed in May
São Francisco, Portugal
- Average wind speed in May: 14.1km/h
The windiest month (with the highest average wind speed) is February (15km/h).
The calmest month (with the lowest average wind speed) is September (11.8km/h).
Average humidity in May
São Francisco, Portugal
- Average humidity in May: 68%
The month with the highest relative humidity is January (77%).
The month with the lowest relative humidity is August (66%).
Average rainfall in May
São Francisco, Portugal
- Average rainfall in May: 12mm
The wettest month (with the highest rainfall) is November (34mm).
The driest months (with the least rainfall) are July and August (2mm).
Average rainfall days in May
São Francisco, Portugal
- Average rainfall days in May: 6.4 days
The month with the highest number of rainy days is April (11 days).
The month with the least rainy days is August (1.6 days).
Average daylight in May /
Average sunshine in May
São Francisco, Portugal
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in May: 10h and 3min
The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in May
São Francisco, Portugal
- Average sunshine days in May: 23.4 days
The month with the most sunshine days is August (28 days).
The month with the least sunshine days is April (17.2 days).
Average UV index in May
São Francisco, Portugal
- Average UV index in May: 5
The months with the highest UV index are June, July, August and September (UV index 6).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in May
São Francisco, Portugal
- Average cloud cover in May: 25
The month with the most cloud cover is January (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in May
São Francisco, Portugal
- Average visibility in May: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
São Francisco, Portugal
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