May weather forecast
La Serena, Chile

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Weather in May

The transformation into cooler temperatures becomes more evident in May. There is more variability in climatic elements, culminating in 10mm (0.39") of rain — a substantial increase compared to previous months. The gradual decrease in daylight hours continues along with a corresponding drop in sea temperature. Nevertheless, wind speeds remain modest, and the decrease in temperature is moderate. Therefore, May might appeal more to those interested in slightly crisp weather without any extreme conditions.

Temperature

May observes an average high-temperature of a refreshing 19.4°C (66.9°F), marking an insignificant difference from April's 21.6°C (70.9°F). During the month of May, La Serena experiences a steady low-temperature average of 12.8°C (55°F).

Humidity

In May, the average relative humidity is 61%.

Rainfall

March, May through August, October and November are months with rainfall in La Serena. May is the first month it rains in La Serena, Chile. Throughout May, in the average 1.8 rainfall days, it receives 10mm (0.39") of precipitation. In La Serena, during the entire year, the rain falls for 13 days and collects up to 34mm (1.34") of precipitation.

Sea temperature

In May, the average sea temperature is 15.3°C (59.5°F).
Note: Swimming is not a pleasant activity for most when the water temperature is 15.3°C (59.5°F). As the water temperature drops from 21°C (69.8°F) to 15°C (59°F), breathing becomes more difficult to control.

Daylight

In La Serena, Chile, the average length of the day in May is 10h and 37min.
On the first day of the month, sunrise is at 07:14 and sunset at 18:09. On the last day of May, sunrise is at 07:32 and sunset at 17:53 -04.

Sunshine

In May, the average sunshine in La Serena is 9.2h.

UV index

May through July and September, with an average maximum UV index of 4, are months with the lowest UV index in La Serena. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: A maximum high UV index of 4 in May translates into the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
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Frequently asked questions

What are the temperatures in La Serena in May?

In La Serena, in May, the average high-temperature is 19.4°C (66.9°F), and the average low-temperature is 12.8°C (55°F).

What is the average humidity in May in La Serena?

In La Serena, the average relative humidity in May is 61%.

When does it start to rain in La Serena?

May is the first month it rains in La Serena, Chile. Throughout May, in the average 1.8 rainfall days, it receives 10mm (0.39") of precipitation.

How cold is the water in May in La Serena?

In May, the average sea temperature in La Serena, Chile, is 15.3°C (59.5°F). For swimming, a surface water temperature of 15.3°C (59.5°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

What is the average length of the day in May in La Serena?

The average day length in May in La Serena, Chile, is 10h and 37min.

What time are sunrise and sunset in May in La Serena?

In May, on the first day of the month, sunrise is at 07:14 and sunset at 18:09. On the last day of the month, sunrise is at 07:32 and sunset at 17:53 -04.

How many hours of sunshine does La Serena have in May?

In May, the average sunshine duration in La Serena is 9.2h.

What are the months with the lowest UV index in La Serena?

The months with the lowest UV index in La Serena are May through July and September, with an average maximum UV index of 4.

How high is the UV index in May in La Serena?

The average daily maximum UV index in May in La Serena, Chile, is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from unsafe exposure to Sun's UV rays.

Average temperature in May
La Serena, Chile

Average temperature in May - La Serena, Chile
  • Average high temperature in May: 19.4°C

The warmest month (with the highest average high temperature) is February (23.6°C).
The month with the lowest average high temperature is July (17.1°C).

  • Average low temperature in May: 12.8°C

The month with the highest average low temperature is February (16.3°C).
The coldest month (with the lowest average low temperature) is July (10.8°C).

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Average pressure in May
La Serena, Chile

Average pressure in May - La Serena, Chile
  • Average pressure in May: 1017.5mbar

The month with the highest atmospheric pressure is July (1019mbar).
The month with the lowest atmospheric pressure is February (1014.2mbar).

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Average wind speed in May
La Serena, Chile

Average wind speed in May - La Serena, Chile
  • Average wind speed in May: 7.5km/h

The windiest month (with the highest average wind speed) is December (10.7km/h).
The calmest months (with the lowest average wind speed) are May and June (7.5km/h).

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Average humidity in May
La Serena, Chile

Average humidity in May - La Serena, Chile
  • Average humidity in May: 61%

The months with the highest relative humidity are January and February (66%).
The month with the lowest relative humidity is June (58%).

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Average rainfall in May
La Serena, Chile

Average rainfall in May - La Serena, Chile
  • Average rainfall in May: 10mm

The wettest month (with the highest rainfall) is June (14mm).
The driest months (with the least rainfall) are January, February, April, September and December (0mm).

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Average rainfall days in May
La Serena, Chile

Average rainfall days in May - La Serena, Chile
  • Average rainfall days in May: 1.8 days

The month with the highest number of rainy days is June (2.3 days).
The month with the least rainy days is November (0.2 days).

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Average sea temperature in May
La Serena, Chile

Average sea temperature in May - La Serena, Chile
  • Average sea temperature in May: 15.3°C

The best month for swimming (with the highest average sea temperature) is February (18.6°C).
The coldest month (with the lowest average sea temperature) is August (13.4°C).

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Average daylight in May /
Average sunshine in May
La Serena, Chile

Average daylight in May / Average sunshine in May - La Serena, Chile
  • Average daylight in May: 10h and 4min

The month with the longest days is December (Average daylight: 14h and 0min).
The month with the shortest days is June (Average daylight: 10h and 18min).

  • Average sunshine in May: 9h and 1min

The month with the most sunshine is February (Average sunshine: 10h and 0min).
The month with the least sunshine is July (Average sunshine: 9h and 6min).

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Average sunshine days in May
La Serena, Chile

Average sunshine days in May - La Serena, Chile
  • Average sunshine days in May: 29.1 days

The month with the most sunshine days is March (30.3 days).
The month with the least sunshine days is February (27.3 days).

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Average UV index in May
La Serena, Chile

Average UV index in May - La Serena, Chile
  • Average UV index in May: 4

The month with the highest UV index is January (UV index 6).
The months with the lowest UV index are May, June, July and September (UV index 4).

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Average cloud cover in May
La Serena, Chile

Average cloud cover in May - La Serena, Chile
  • Average cloud cover in May: 15

The month with the most cloud cover is May (Cloud cover 15).
The month with the least cloud cover is February (Cloud cover 4).

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Average visibility in May
La Serena, Chile

Average visibility in May - La Serena, Chile
  • 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).

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La Serena, Chile

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