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
April
Weather in April
Temperature
The arrival of April sees an average high-temperature of a still refreshing 17.8°C (64°F), hardly diverging from March's 16°C (60.8°F). April is noted for a mean low-temperature of 9°C (48.2°F).Humidity
In São Tiago, the average relative humidity in April is 75%.Rainfall
In São Tiago, in April, during 12.9 rainfall days, 70mm (2.76") of precipitation is typically accumulated. In São Tiago, during the entire year, the rain falls for 125.7 days and collects up to 773mm (30.43") of precipitation.Daylight
In São Tiago, the average length of the day in April is 13h and 19min.On the first day of April, sunrise is at 07:17 and sunset at 19:59. On the last day of the month, sunrise is at 06:33 and sunset at 20:29 WEST.
Sunshine
In April, the average sunshine in São Tiago is 8.2h.UV index
In April, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index, 4 during April, leads to the following recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April?
What is the average humidity in April?
How many days does it rain in April in São Tiago?
What is the average length of the day in April?
What time are sunrise and sunset in April?
How many hours of sunshine does São Tiago have in April?
What is the UV index reading in April?
Average temperature in April
São Tiago, Portugal
- Average high temperature in April: 17.8°C
The warmest month (with the highest average high temperature) is August (26.6°C).
The month with the lowest average high temperature is January (12.7°C).
- Average low temperature in April: 9°C
The months with the highest average low temperature are July and August (15.3°C).
The coldest months (with the lowest average low temperature) are January and February (6.8°C).
Average pressure in April
São Tiago, Portugal
- Average pressure in April: 1015.3mbar
The month with the highest atmospheric pressure is December (1022.5mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed in April
São Tiago, Portugal
- Average wind speed in April: 9.2km/h
The windiest month (with the highest average wind speed) is February (10.3km/h).
The calmest month (with the lowest average wind speed) is September (7.8km/h).
Average humidity in April
São Tiago, Portugal
- Average humidity in April: 75%
The month with the highest relative humidity is January (82%).
The months with the lowest relative humidity are August and September (66%).
Average rainfall in April
São Tiago, Portugal
- Average rainfall in April: 70mm
The wettest month (with the highest rainfall) is November (124mm).
The driest month (with the least rainfall) is July (10mm).
Average rainfall days in April
São Tiago, Portugal
- Average rainfall days in April: 12.9 days
The month with the highest number of rainy days is November (15.6 days).
The month with the least rainy days is August (5 days).
Average daylight in April /
Average sunshine in April
São Tiago, Portugal
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in April: 8h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in April
São Tiago, Portugal
- Average sunshine days in April: 15.5 days
The month with the most sunshine days is August (24.2 days).
The month with the least sunshine days is November (12.5 days).
Average UV index in April
São Tiago, Portugal
- Average UV index in April: 4
The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 3).
Average cloud cover in April
São Tiago, Portugal
- Average cloud cover in April: 41
The month with the most cloud cover is January (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in April
São Tiago, Portugal
- Average visibility in April: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is January (8km).
