May weather forecast
Santarem, Portugal

englishespañol中文
Share

Weather in May

May marks an evident transition into the hot and dry season in Santarem. Ascending temperatures reveal summer's arrival, with the average high temperature soaring to 23.8°C (74.8°F). In comparison to April, May witnesses more than half the reduction in rainfall, thereby tipping the weather towards aridity. Despite these changes, an increase in daylight and sunshine hours keeps the city vibrant and lively. May unfurls a sun-drenched canvas characterized by hot temperatures and scarce rainfall, setting the stage for the summer months ahead.

Temperature

In Santarem, the average high-temperature in May slightly rises, from a comfortable 19.8°C (67.6°F) in April, to a warm 23.8°C (74.8°F). Santarem in May experiences a low-temperature average of 12.7°C (54.9°F).

Humidity

In May, the average relative humidity is 67%.

Rainfall

In Santarem, in May, during 8.3 rainfall days, 24mm (0.94") of precipitation is typically accumulated. In Santarem, during the entire year, the rain falls for 108.1 days and collects up to 337mm (13.27") of precipitation.

Daylight

In Santarem, the average length of the day in May is 14h and 20min.
On the first day of the month, sunrise is at 06:35 and sunset at 20:28. On the last day of May, sunrise is at 06:10 and sunset at 20:54 WEST.

Sunshine

In Santarem, the average sunshine in May is 10.2h.

UV index

In Santarem, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The maximum daily UV index of 5 during May translates into the following directions:
Make use of precautions - Shielding skin and eyes from injury is a requirement. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
[Resources]

Frequently asked questions

What are May temperatures in Santarem?

The high-temperature in Santarem, Portugal, during May is 23.8°C (74.8°F) and the low-temperature is 12.7°C (54.9°F).

What is the average humidity in May in Santarem?

In Santarem, Portugal, the average relative humidity in May is 67%.

How much does it rain in Santarem in May?

In Santarem, Portugal, in May, it is raining for 8.3 days, with typically 24mm (0.94") of accumulated precipitation.

How many hours of daylight does Santarem have in May?

In May, the average day length is 14h and 20min.

What time are sunrise and sunset in May in Santarem?

On the first day of May in Santarem, Portugal, sunrise is at 06:35 and sunset at 20:28. On the last day of the month, sunrise is at 06:10 and sunset at 20:54 WEST.

How long on average sun shines in May in Santarem?

In Santarem, Portugal, the average sunshine duration in May is 10.2h.

How high is the UV index in May in Santarem?

In Santarem, Portugal, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to UV radiation.

Average temperature in May
Santarem, Portugal

Average temperature in May - Santarem, Portugal
  • Average high temperature in May: 23.8°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 May: 12.7°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).

[Resources]

Average pressure in May
Santarem, Portugal

Average pressure in May - Santarem, Portugal
  • Average pressure in May: 1016.2mbar

The month with the highest atmospheric pressure is December (1022.6mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).

[Resources]

Average wind speed in May
Santarem, Portugal

Average wind speed in May - Santarem, Portugal
  • Average wind speed in May: 12.5km/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).

[Resources]

Average humidity in May
Santarem, Portugal

Average humidity in May - Santarem, Portugal
  • Average humidity in May: 67%

The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is August (62%).

[Resources]

Average rainfall in May
Santarem, Portugal

Average rainfall in May - Santarem, Portugal
  • Average rainfall in May: 24mm

The wettest month (with the highest rainfall) is November (53mm).
The driest months (with the least rainfall) are July and August (3mm).

[Resources]

Average rainfall days in May
Santarem, Portugal

Average rainfall days in May - Santarem, Portugal
  • Average rainfall days in May: 8.3 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).

[Resources]

Average daylight in May /
Average sunshine in May
Santarem, Portugal

Average daylight in May / Average sunshine in May - Santarem, Portugal
  • Average daylight in May: 14h 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 May: 10h and 1min

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).

[Resources]

Average sunshine days in May
Santarem, Portugal

Average sunshine days in May - Santarem, Portugal
  • Average sunshine days in May: 21.3 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).

[Resources]

Average UV index in May
Santarem, Portugal

Average UV index in May - Santarem, Portugal
  • Average UV index in May: 5

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).

[Resources]

Average cloud cover in May
Santarem, Portugal

Average cloud cover in May - Santarem, Portugal
  • Average cloud cover in May: 27

The month with the most cloud cover is January (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 17).

[Resources]

Average visibility in May
Santarem, Portugal

Average visibility in May - Santarem, Portugal
  • Average visibility in May: 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).

[Resources]

Santarem, Portugal

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location