October weather forecast
Atenas, Costa Rica

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Weather in October

In October, Atenas, Costa Rica experiences a drop in rainfall quantity. However, the city remains considerably damp, as signified by high relative humidity levels. The weather trends from the previous month extend with continuous decline in sunshine hours and wind speeds. Temperature averages follow a consistent pattern throughout the month, maintaining the prevalent warm climate. Despite the lower rainfall amount, the city continues to bear the heavy impact of the rainy season with high humidity and cloud cover.

Temperature

The coldest month in Atenas is October, with an average high-temperature of 25.4°C (77.7°F) and an average low-temperature of 18.9°C (66°F).

Humidity

The most humid month is October, with an average relative humidity of 89%.

Rainfall

The month with the most rainfall in Atenas is October, when the rain falls for 30.2 days and typically aggregates up to 396mm (15.59") of precipitation.

Daylight

The average length of the day in October in Atenas is 11h and 54min.
On the first day of the month, sunrise is at 05:25 and sunset at 17:27. On the last day of October, sunrise is at 05:27 and sunset at 17:14 CST.

Sunshine

October has the least sunshine of the year, with an average of 7h of sunshine.

UV index

The months with the highest UV index in Atenas are January through April, June, July, September, October and December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 6 in October transforms into the following instructions:
Guard against overexposure. Protection from sun-induced harm is essential. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
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Frequently asked questions

What is the coldest time of year in Atenas?

October, with its high-temperature average of 25.4°C (77.7°F) and a low-temperature average of 18.9°C (66°F), is the coldest month.

What is the temperature in October in Atenas?

An average high-temperature, in October, in Atenas, is 25.4°C (77.7°F) and the average low-temperature is 18.9°C (66°F). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in May is evaluated at 32°C (89.6°F).

What is the most humid month in Atenas?

With an average relative humidity of 89%, October is the most humid month.

What is the average humidity in October in Atenas?

The average relative humidity in October in Atenas, Costa Rica, is 89%.

What is the wettest month in Atenas?

October is the month with the most rainfall. Rain falls for 30.2 days and accumulates 396mm (15.59") of precipitation.

How much does it rain in Atenas in October?

In Atenas, during October, the rain falls for 30.2 days and regularly aggregates up to 396mm (15.59") of precipitation.

What is the average length of the day in October in Atenas?

In October, the average day length in Atenas, Costa Rica, is 11h and 54min.

What time are sunrise and sunset in October in Atenas?

On the first day of October in Atenas, sunrise is at 05:25 and sunset at 17:27. On the last day of the month, sunrise is at 05:27 and sunset at 17:14 CST.

What is the month with the least sunshine in Atenas?

October has the least sunshine of the year, with an average of 7h of sunshine.

How long on average sun shines in October in Atenas?

In Atenas, the average sunshine duration in October is 7h.

What are the months with the highest UV index in Atenas?

January through April, June, July, September, October and December, with an average maximum UV index of 6, are months with the highest UV index.

What is the UV index intensity in October in Atenas?

In Atenas, Costa Rica, the average daily maximum UV index in October is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Atenas, Costa Rica

Average temperature in October - Atenas, Costa Rica
  • Average high temperature in October: 25.4°C

The warmest months (with the highest average high temperature) are March and April (29.7°C).
The month with the lowest average high temperature is October (25.4°C).

  • Average low temperature in October: 18.9°C

The month with the highest average low temperature is May (19.8°C).
The coldest month (with the lowest average low temperature) is January (16.8°C).

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Average pressure in October
Atenas, Costa Rica

Average pressure in October - Atenas, Costa Rica
  • Average pressure in October: 1010.7mbar

The month with the highest atmospheric pressure is January (1012.1mbar).
The month with the lowest atmospheric pressure is October (1010.7mbar).

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Average wind speed in October
Atenas, Costa Rica

Average wind speed in October - Atenas, Costa Rica
  • Average wind speed in October: 4.1km/h

The windiest month (with the highest average wind speed) is February (10.6km/h).
The calmest month (with the lowest average wind speed) is September (3.8km/h).

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Average humidity in October
Atenas, Costa Rica

Average humidity in October - Atenas, Costa Rica
  • Average humidity in October: 89%

The month with the highest relative humidity is October (89%).
The month with the lowest relative humidity is March (70%).

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Average rainfall in October
Atenas, Costa Rica

Average rainfall in October - Atenas, Costa Rica
  • Average rainfall in October: 396mm

The wettest month (with the highest rainfall) is October (396mm).
The driest month (with the least rainfall) is February (17mm).

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Average rainfall days in October
Atenas, Costa Rica

Average rainfall days in October - Atenas, Costa Rica
  • Average rainfall days in October: 30.2 days

The month with the highest number of rainy days is October (30.2 days).
The month with the least rainy days is February (10.3 days).

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Average daylight in October /
Average sunshine in October
Atenas, Costa Rica

Average daylight in October / Average sunshine in October - Atenas, Costa Rica
  • Average daylight in October: 11h and 5min

The month with the longest days is June (Average daylight: 12h and 42min).
The month with the shortest days is December (Average daylight: 11h and 36min).

  • Average sunshine in October: 7h and 0min

The month with the most sunshine is March (Average sunshine: 9h and 24min).
The month with the least sunshine is October (Average sunshine: 7h and 0min).

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Average sunshine days in October
Atenas, Costa Rica

Average sunshine days in October - Atenas, Costa Rica
  • Average sunshine days in October: 0.6 days

The month with the most sunshine days is January (16.7 days).
The month with the least sunshine days is September (0.5 days).

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Average UV index in October
Atenas, Costa Rica

Average UV index in October - Atenas, Costa Rica
  • Average UV index in October: 6

The months with the highest UV index are January, February, March, April, June, July, September, October and December (UV index 6).
The months with the lowest UV index are May, August and November (UV index 5).

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Average cloud cover in October
Atenas, Costa Rica

Average cloud cover in October - Atenas, Costa Rica
  • Average cloud cover in October: 54

The month with the most cloud cover is October (Cloud cover 54).
The month with the least cloud cover is February (Cloud cover 19).

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Average visibility in October
Atenas, Costa Rica

Average visibility in October - Atenas, Costa Rica
  • Average visibility in October: 7km

The months with the highest visibility are February and March (10km).
The months with the lowest visibility are August, September, October and November (7km).

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Atenas, Costa Rica

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