October weather forecast
Guacimo, Costa Rica

October

Weather in October

October, like September, is another tropical autumn month in Guacimo, Costa Rica, with temperature in the range of an average low of 24.2°C (75.6°F) and an average high of 30.2°C (86.4°F).

Temperature

The commencement of October notes an average high-temperature of a still tropical 30.2°C (86.4°F), exhibiting little difference from the previous month. Throughout October, an average nighttime temperature of 24.2°C (75.6°F) is experienced in Guacimo.

Heat index

October's mean heat index is appraised at a very hot 38°C (100.4°F). Take extra safety measures to prevent heat exhaustion and heat cramps. Heatstroke could follow lengthy activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', gives a temperature feeling by integrating air temperature and humidity. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.
Humans rely on perspiration as a cooling mechanism, wherein the evaporating sweat counteracts excessive warmth. In conditions of both high temperature and humidity (a high heat index), sweating is limited and the perception of heat is enhanced. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.

Humidity

In October, the average relative humidity is 78%.

Rainfall

In Guacimo, during October, the rain falls for 16.4 days and regularly aggregates up to 104mm (4.09") of precipitation. Throughout the year, there are 224.1 rainfall days, and 1644mm (64.72") of precipitation is accumulated.

Daylight

In Guacimo, the average length of the day in October is 11h and 54min.
On the first day of October, sunrise is at 05:23 and sunset at 17:25. On the last day of the month, sunrise is at 05:25 and sunset at 17:11 CST.

Sunshine

In October, the average sunshine is 8.5h.

UV index

March through October, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for average individuals.
Note: In October, an average UV index of 7 transforms into the following instructions:
Shield from overexposure. Defense against sun-related harm is required. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

Frequently asked questions

How hot is it in October?
In October, the average high-temperature and low-temperature are 30.2°C (86.4°F) and 24.2°C (75.6°F) respectively. The average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines relative humidity and air temperature, in October is appraised at 38°C (100.4°F).
What is the average humidity in October?
In Guacimo, the average relative humidity in October is 78%.
How much does it rain in October?
In October, the rain falls for 16.4 days. Throughout October, 104mm (4.09") of precipitation is accumulated.
What is the average length of the day in October?
The average day length in October is 11h and 54min.
When is the sunrise / sunset in October?
On the first day of October, sunrise is at 05:23 and sunset at 17:25. On the last day of the month, sunrise is at 05:25 and sunset at 17:11 CST.
How long on average sun shines in October?
In Guacimo, the average sunshine duration in October is 8.5h.
When is the highest UV index?
March through October, with an average maximum UV index of 7, are months with the highest UV index.
What is the UV index reading in October?
The average daily maximum UV index in October is 7. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in October
Guacimo, Costa Rica
  • Average high temperature in October: 30.2°C

The warmest month (with the highest average high temperature) is September (30.6°C).
The month with the lowest average high temperature is January (27.4°C).

  • Average low temperature in October: 24.2°C

The month with the highest average low temperature is June (24.7°C).
The coldest month (with the lowest average low temperature) is January (22.3°C).

Average pressure in October
Guacimo, Costa Rica
  • Average pressure in October: 1010.7mbar

The month with the highest atmospheric pressure is January (1013.1mbar).
The month with the lowest atmospheric pressure is October (1010.7mbar).

Average wind speed in October
Guacimo, Costa Rica
  • Average wind speed in October: 7km/h

The windiest months (with the highest average wind speed) are February and March (8.9km/h).
The calmest months (with the lowest average wind speed) are August and September (6.8km/h).

Average humidity in October
Guacimo, Costa Rica
  • Average humidity in October: 78%

The month with the highest relative humidity is November (80%).
The months with the lowest relative humidity are April and September (76%).

Average rainfall in October
Guacimo, Costa Rica
  • Average rainfall in October: 104mm

The wettest month (with the highest rainfall) is December (214mm).
The driest month (with the least rainfall) is September (59mm).

Average rainfall days in October
Guacimo, Costa Rica
  • Average rainfall days in October: 16.4 days

The month with the highest number of rainy days is July (23.5 days).
The month with the least rainy days is September (15.4 days).

Average daylight in October /
Average sunshine in October
Guacimo, 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 30min).

  • Average sunshine in October: 8h and 3min

The month with the most sunshine is September (Average sunshine: 9h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).

Average sunshine days in October
Guacimo, Costa Rica
  • Average sunshine days in October: 14.1 days

The month with the most sunshine days is October (14.1 days).
The month with the least sunshine days is July (7 days).

Average UV index in October
Guacimo, Costa Rica
  • Average UV index in October: 7

The months with the highest UV index are March, April, May, June, July, August, September and October (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 6).

Average cloud cover in October
Guacimo, Costa Rica
  • Average cloud cover in October: 39

The month with the most cloud cover is December (Cloud cover 55).
The month with the least cloud cover is September (Cloud cover 34).

Average visibility in October
Guacimo, Costa Rica
  • Average visibility in October: 10km

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

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