October weather forecast
Santa Ana, Costa Rica

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Weather in October

In Santa Ana, October holds the distinction of being the month with the heaviest rainfall. The temperatures cool down slightly in October and the substantial amount of rainfall results in higher humidity. Comparatively, the relative rainfall increases from September while temperature, pressure, and wind conditions remain relatively stable. The temperatures in October range from 17.6°C (63.7°F) to 23.7°C (74.7°F) accompanied by the highest annual rainfall of 429mm (16.89") over approximately 30.5 days. Despite the high rainfall, minimal pressure fluctuations and moderate wind speeds ensure a balanced weather.

Temperature

October stands out as Santa Ana's coldest month, with an average high-temperature of 23.7°C (74.7°F) and a low-temperature of 17.6°C (63.7°F).

Humidity

The most humid month in Santa Ana is October, with an average relative humidity of 90%.

Rainfall

October is the month with the most rainfall. Rain falls for 30.5 days and accumulates 429mm (16.89") of precipitation.

Daylight

The average length of the day in October is 11h and 54min.
On the first day of October in Santa Ana, 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 17:13 CST.

Sunshine

With an average of 6.1h of sunshine, October has the least sunshine of the year.

UV index

January, February, May through December, with an average maximum UV index of 5, are months with the lowest UV index in Santa Ana, Costa Rica. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: A daily maximum UV index of 5 in October translates into the following instructions:
Put precautions into practice - Protective measures against sun-induced damage are advised. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.

Frequently asked questions

What month is the coldest in Santa Ana?

October is the coldest month in Santa Ana, Costa Rica, exhibiting average temperatures of 23.7°C (74.7°F) at the peak and 17.6°C (63.7°F) at the base.

What is the average October temperature in Santa Ana?

In October, the average high-temperature and low-temperature in Santa Ana are 23.7°C (74.7°F) and 17.6°C (63.7°F) respectively. The average heat index (a.k.a. 'apparent temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in April is evaluated at 31°C (87.8°F).

What is the most humid month in Santa Ana?

With an average relative humidity of 90%, October is the most humid month.

What is the average humidity in October in Santa Ana?

The average relative humidity in October in Santa Ana is 90%.

What is the wettest month in Santa Ana?

October is the month with the most rainfall. Rain falls for 30.5 days and accumulates 429mm (16.89") of precipitation.

How many days does it rain in October in Santa Ana?

In Santa Ana, in October, during 30.5 rainfall days, 429mm (16.89") of precipitation is typically accumulated.

What is the average length of the day in October in Santa Ana?

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

When is the sunrise / sunset in October in Santa Ana?

On the first day of October, 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 17:13 CST.

What is the month with the least sunshine in Santa Ana?

The month with the least sunshine is October, with an average of 6.1h of sunshine.

How long on average sun shines in October in Santa Ana?

In Santa Ana, the average sunshine duration in October is 6.1h.

What is the month with the lowest UV index in Santa Ana?

January, February, May through December, with an average maximum UV index of 5, are months with the lowest UV index in Santa Ana, Costa Rica.

How high is the UV index in October in Santa Ana?

The average daily maximum UV index in October in Santa Ana is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.

Average temperature in October
Santa Ana, Costa Rica

Average temperature in October - Santa Ana, Costa Rica
  • Average high temperature in October: 23.7°C

The warmest month (with the highest average high temperature) is April (28°C).
The month with the lowest average high temperature is October (23.7°C).

  • Average low temperature in October: 17.6°C

The month with the highest average low temperature is May (18.5°C).
The coldest month (with the lowest average low temperature) is January (15.3°C).

Average pressure in October
Santa Ana, Costa Rica

Average pressure in October - Santa Ana, Costa Rica
  • Average pressure in October: 1010.8mbar

The month with the highest atmospheric pressure is January (1012.2mbar).
The month with the lowest atmospheric pressure is October (1010.8mbar).

Average wind speed in October
Santa Ana, Costa Rica

Average wind speed in October - Santa Ana, Costa Rica
  • Average wind speed in October: 4.2km/h

The windiest month (with the highest average wind speed) is February (10.9km/h).
The calmest month (with the lowest average wind speed) is September (3.9km/h).

Average humidity in October
Santa Ana, Costa Rica

Average humidity in October - Santa Ana, Costa Rica
  • Average humidity in October: 90%

The month with the highest relative humidity is October (90%).
The month with the lowest relative humidity is March (71%).

Average rainfall in October
Santa Ana, Costa Rica

Average rainfall in October - Santa Ana, Costa Rica
  • Average rainfall in October: 429mm

The wettest month (with the highest rainfall) is October (429mm).
The driest month (with the least rainfall) is February (24mm).

Average rainfall days in October
Santa Ana, Costa Rica

Average rainfall days in October - Santa Ana, Costa Rica
  • Average rainfall days in October: 30.5 days

The month with the highest number of rainy days is October (30.5 days).
The month with the least rainy days is February (11.8 days).

Average daylight in October /
Average sunshine in October
Santa Ana, Costa Rica

Average daylight in October / Average sunshine in October - Santa Ana, 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: 6h and 1min

The month with the most sunshine is February (Average sunshine: 9h and 24min).
The month with the least sunshine is October (Average sunshine: 6h and 6min).

Average sunshine days in October
Santa Ana, Costa Rica

Average sunshine days in October - Santa Ana, Costa Rica
  • Average sunshine days in October: 0.4 days

The month with the most sunshine days is February (13.1 days).
The month with the least sunshine days is July (0.3 days).

Average UV index in October
Santa Ana, Costa Rica

Average UV index in October - Santa Ana, Costa Rica
  • Average UV index in October: 5

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

Average cloud cover in October
Santa Ana, Costa Rica

Average cloud cover in October - Santa Ana, Costa Rica
  • Average cloud cover in October: 63

The month with the most cloud cover is October (Cloud cover 63).
The month with the least cloud cover is February (Cloud cover 23).

Average visibility in October
Santa Ana, Costa Rica

Average visibility in October - Santa Ana, Costa Rica
  • Average visibility in October: 6km

The months with the highest visibility are January, February, March and April (9km).
The months with the lowest visibility are September and October (6km).

Santa Ana, Costa Rica

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