Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
As Santarem welcomes April, the average high-temperature records at a still refreshing 19.8°C (67.6°F), marking an insignificant deviation from the prior month. Santarem observes an average nighttime low-temperature of 9.8°C (49.6°F) during the month of April.Humidity
In April, the average relative humidity is 74%.Rainfall
In Santarem, in April, during 13.8 rainfall days, 46mm (1.81") of precipitation is typically accumulated. Throughout the year, there are 108.1 rainfall days, and 337mm (13.27") of precipitation is accumulated.Daylight
In Santarem, the average length of the day in April is 13h and 15min.On the first day of the month, sunrise is at 07:18 and sunset at 19:58. On the last day of April, sunrise is at 06:36 and sunset at 20:27 WEST.
Sunshine
In April, the average sunshine in Santarem is 8.3h.UV index
The average daily maximum UV index in April in Santarem is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In April, a daily UV index of 4 turns into the following recommendations:
Be vigilant - Preventing sunburn is recommended. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Frequently asked questions
What are April temperatures in Santarem?
What is the average humidity in April in Santarem?
How many days does it rain in April in Santarem?
How many hours of daylight does Santarem have in April?
When is the sunrise / sunset in April in Santarem?
How many hours of sunshine does Santarem have in April?
What is the UV index reading in April in Santarem?
Average temperature in April
Santarem, Portugal
- Average high temperature in April: 19.8°C
The warmest month (with the highest average high temperature) is August (31°C).
The month with the lowest average high temperature is January (14°C).
- Average low temperature in April: 9.8°C
The month with the highest average low temperature is July (15.8°C).
The coldest months (with the lowest average low temperature) are January and February (6.8°C).
Average pressure in April
Santarem, Portugal
- Average pressure in April: 1015.5mbar
The month with the highest atmospheric pressure is December (1022.6mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).
Average wind speed in April
Santarem, Portugal
- Average wind speed in April: 12km/h
The windiest month (with the highest average wind speed) is July (13.2km/h).
The calmest months (with the lowest average wind speed) are September and October (10.6km/h).
Average humidity in April
Santarem, Portugal
- Average humidity in April: 74%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is August (62%).
Average rainfall in April
Santarem, Portugal
- Average rainfall in April: 46mm
The wettest month (with the highest rainfall) is November (53mm).
The driest months (with the least rainfall) are July and August (3mm).
Average rainfall days in April
Santarem, Portugal
- Average rainfall days in April: 13.8 days
The month with the highest number of rainy days is November (13.9 days).
The month with the least rainy days is August (2.4 days).
Average daylight in April /
Average sunshine in April
Santarem, Portugal
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in April: 8h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in April
Santarem, Portugal
- Average sunshine days in April: 14.6 days
The month with the most sunshine days is July (27.3 days).
The months with the least sunshine days are April and November (14.6 days).
Average UV index in April
Santarem, Portugal
- Average UV index in April: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in April
Santarem, Portugal
- Average cloud cover in April: 39
The month with the most cloud cover is January (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in April
Santarem, Portugal
- Average visibility in April: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, March, April, May, July, August, September, October, November and December (9km).
Santarem, Portugal
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