May weather forecast
Viña del Mar, Chile

Weather in May

May, the last month of the autumn, in Viña del Mar, is also an enjoyable month, with average temperature ranging between max 18.9°C (66°F) and min 11.5°C (52.7°F).

Temperature

In May, the average high-temperature is essentially the same as in April - an enjoyable 18.9°C (66°F). In Viña del Mar, the average low-temperature is 11.5°C (52.7°F).

Humidity

In May, the average relative humidity is 68%.

Rainfall

In Viña del Mar, during May, the rain falls for 3.8 days and regularly aggregates up to 25mm (0.98") of precipitation. Throughout the year, there are 33.7 rainfall days, and 178mm (7.01") of precipitation is accumulated.

Sea temperature

In May, the average sea temperature is 14.3°C (57.7°F).
Note: At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

Daylight

In May, the average length of the day is 10.4h.

Sunshine

In Viña del Mar, the average sunshine in May is 8.4h.

UV index

May through October, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a medium health hazard from the exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 4 interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the average humidity in May in Viña del Mar?

In May, the average relative humidity in Viña del Mar is 68%.

How much does it rain in Viña del Mar in May?

In Viña del Mar, during May, the rain falls for 3.8 days and regularly aggregates up to 25mm (0.98") of precipitation.

How cold is the water in May in Viña del Mar?

In Viña del Mar, the average seawater temperature in May is 14.3°C (57.7°F). At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

What is the average length of the day in May in Viña del Mar?

In Viña del Mar, the average length of the day in May is 10.4h.

How long on average sun shines in May in Viña del Mar?

The average sunshine in May in Viña del Mar, Chile, is 8.4h.

When is the lowest UV index in Viña del Mar?

May through October, with an average maximum UV index of 4, are months with the lowest UV index in Viña del Mar.

What is the UV index reading in May in Viña del Mar?

The average daily maximum UV index in May in Viña del Mar, Chile, is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unsafe exposure to the Sun's UV rays.

Average temperature in May
Viña del Mar, Chile

Average temperature in May - Viña del Mar, Chile
  • Average high temperature in May: 18.9°C

The warmest months (with the highest average high temperature) are January and February (23.3°C).
The month with the lowest average high temperature is July (15.4°C).

  • Average low temperature in May: 11.5°C

The month with the highest average low temperature is January (14.7°C).
The coldest month (with the lowest average low temperature) is July (8.3°C).

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Average pressure in May
Viña del Mar, Chile

Average pressure in May - Viña del Mar, Chile
  • Average pressure in May: 1017.6mbar

The month with the highest atmospheric pressure is July (1019.5mbar).
The month with the lowest atmospheric pressure is February (1014.4mbar).

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Average wind speed in May
Viña del Mar, Chile

Average wind speed in May - Viña del Mar, Chile
  • Average wind speed in May: 10.3km/h

The windiest month (with the highest average wind speed) is November (13.6km/h).
The calmest month (with the lowest average wind speed) is May (10.3km/h).

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Average humidity in May
Viña del Mar, Chile

Average humidity in May - Viña del Mar, Chile
  • Average humidity in May: 68%

Months with the highest relative humidity are July, August and September (72%).
The month with the lowest relative humidity is April (66%).

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Average rainfall in May
Viña del Mar, Chile

Average rainfall in May - Viña del Mar, Chile
  • Average rainfall in May: 25mm

The wettest month (with the highest rainfall) is June (71mm).
The driest months (with the least rainfall) are January and February (0mm).

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Average rainfall days in May
Viña del Mar, Chile

Average rainfall days in May - Viña del Mar, Chile
  • Average rainfall days in May: 3.8 days

The month with the highest number of rainy days is June (6.8 days).
The month with the least rainy days is February (0.3 days).

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Average sea temperature in May
Viña del Mar, Chile

Average sea temperature in May - Viña del Mar, Chile
  • Average sea temperature in May: 14.3°C

The best month for swimming (with the highest average sea temperature) is February (17.9°C).
The coldest month (with the lowest average sea temperature) is July (13.1°C).

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Average daylight in May /
Average sunshine in May
Viña del Mar, Chile

Average daylight in May / Average sunshine in May - Viña del Mar, Chile
  • Average daylight in May: 10.4h

The month with the longest days is December (Average daylight: 14.3h).
The month with the shortest days is June (Average daylight: 10h).

  • Average sunshine in May: 8.4h

The month with the most sunshine is February (Average sunshine: 9.9h).
The month with the least sunshine is June (Average sunshine: 8h).

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Average sunshine days in May
Viña del Mar, Chile

Average sunshine days in May - Viña del Mar, Chile
  • Average sunshine days in May: 26.9 days

Months with the most sunshine days are January and March (30.3 days).
The month with the least sunshine days is June (22.7 days).

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Average UV index in May
Viña del Mar, Chile

Average UV index in May - Viña del Mar, Chile
  • Average UV index in May: 4

Months with the highest UV index are January, February, March, April, November and December (UV index 5).
Months with the lowest UV index are May, June, July, August, September and October (UV index 4).

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Average cloud cover in May
Viña del Mar, Chile

Average cloud cover in May - Viña del Mar, Chile
  • Average cloud cover in May: 25

The month with the most cloud cover is June (Cloud cover 28).
The month with the least cloud cover is February (Cloud cover 7).

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Average visibility in May
Viña del Mar, Chile

Average visibility in May - Viña del Mar, Chile
  • Average visibility in May: 10km

Months with the highest visibility are January, February, March, April, May and June (10km).
Months with the lowest visibility are July, August, September, October, November and December (9km).

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