May weather forecast
Bostok, French Guiana

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Weather in May

Bostok's climate takes a turn as May comes around. Post April's heavy rainfall, May follows through with increased rainfall, however, it has a subtle effect on the overall weather condition. May continues the warming trend, but without any significant change in daylight conditions or wind speed. Despite higher humidity levels, the weather conditions in Bostok still remain conducive for outdoor activities.

Temperature

May's climate reveals an average high-temperature of a still moderately hot 29.8°C (85.6°F), consistent with April. Bostok experiences an average low-temperature of 21.9°C (71.4°F) in the month of May.

Heat index

May's average heat index is computed to be a blistering 40°C (104°F). Apply extra caution, heat cramps and heat exhaustion could happen. Heatstroke might occur with long-duration activity.
When referencing the heat index, its values are suitable for shady environments and light breezes. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'real feel' or 'feels like', gives an indication of how one might feel in terms of heat after considering humidity. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. During high air temperature and humidity (high heat index), the process of perspiration is hindered, intensifying the sensation of heat. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.

Humidity

May is the most humid month, with an average relative humidity of 90%.

Rainfall

The month with the most rainfall in Bostok, French Guiana, is May, when the rain falls for 25.9 days and typically aggregates up to 192mm (7.56") of precipitation.

Daylight

The average length of the day in May is 12h and 17min.
On the first day of the month, sunrise is at 06:25 and sunset at 18:40. On the last day of May, sunrise is at 06:24 and sunset at 18:42 -03.

Sunshine

In Bostok, the average sunshine in May is 5.1h.

UV index

The average daily maximum UV index in May in Bostok, French Guiana, is 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 6 during May translates into the following recommendations:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
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Frequently asked questions

How hot is it in Bostok in May?

An average high-temperature, in May, in Bostok, is 29.8°C (85.6°F) and the average low-temperature is 21.9°C (71.4°F). In May, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 40°C (104°F).

What is the most humid month in Bostok?

The most humid month in Bostok is May, with an average relative humidity of 90%.

What is the average humidity in May in Bostok?

In May, the average relative humidity is 90%.

What is the rainiest month in Bostok?

May is the month with the most rainfall in Bostok, French Guiana. Rain falls for 25.9 days and accumulates 192mm (7.56") of precipitation.

How many days does it rain in May in Bostok?

In Bostok, during May, the rain falls for 25.9 days and regularly aggregates up to 192mm (7.56") of precipitation.

How many hours of daylight does Bostok have in May?

In May, the average day length is 12h and 17min.

When is the sunrise / sunset in May in Bostok?

On the first day of May in Bostok, sunrise is at 06:25 and sunset at 18:40. On the last day of the month, sunrise is at 06:24 and sunset at 18:42 -03.

How long on average sun shines in May in Bostok?

The average sunshine duration in May in Bostok is 5.1h.

What is the UV index reading in May in Bostok?

The average daily maximum UV index in May in Bostok is 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Bostok, French Guiana

Average temperature in May - Bostok, French Guiana
  • Average high temperature in May: 29.8°C

The warmest month (with the highest average high temperature) is October (34.9°C).
The month with the lowest average high temperature is February (29.3°C).

  • Average low temperature in May: 21.9°C

The month with the highest average low temperature is May (21.9°C).
The coldest months (with the lowest average low temperature) are August and September (20.5°C).

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Average pressure in May
Bostok, French Guiana

Average pressure in May - Bostok, French Guiana
  • Average pressure in May: 1012.2mbar

The months with the highest atmospheric pressure are June and July (1013mbar).
The month with the lowest atmospheric pressure is November (1009.4mbar).

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Average wind speed in May
Bostok, French Guiana

Average wind speed in May - Bostok, French Guiana
  • Average wind speed in May: 4.5km/h

The windiest months (with the highest average wind speed) are February, March and November (5.3km/h).
The calmest month (with the lowest average wind speed) is July (4.2km/h).

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Average humidity in May
Bostok, French Guiana

Average humidity in May - Bostok, French Guiana
  • Average humidity in May: 90%

The month with the highest relative humidity is May (90%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in May
Bostok, French Guiana

Average rainfall in May - Bostok, French Guiana
  • Average rainfall in May: 192mm

The wettest month (with the highest rainfall) is May (192mm).
The driest month (with the least rainfall) is October (21mm).

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Average rainfall days in May
Bostok, French Guiana

Average rainfall days in May - Bostok, French Guiana
  • Average rainfall days in May: 25.9 days

The months with the highest number of rainy days are January and March (26.8 days).
The month with the least rainy days is October (10.4 days).

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Average daylight in May /
Average sunshine in May
Bostok, French Guiana

Average daylight in May / Average sunshine in May - Bostok, French Guiana
  • Average daylight in May: 12h and 2min

The month with the longest days is June (Average daylight: 12h and 18min).
The month with the shortest days is December (Average daylight: 11h and 54min).

  • Average sunshine in May: 5h and 1min

The months with the most sunshine are September and October (Average sunshine: 8h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).

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Average sunshine days in May
Bostok, French Guiana

Average sunshine days in May - Bostok, French Guiana
  • Average sunshine days in May: 3.4 days

The month with the most sunshine days is October (17.3 days).
The month with the least sunshine days is February (1.8 days).

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Average UV index in May
Bostok, French Guiana

Average UV index in May - Bostok, French Guiana
  • Average UV index in May: 6

The months with the highest UV index are August, September, October and November (UV index 7).
The months with the lowest UV index are January, March and December (UV index 5).

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Average cloud cover in May
Bostok, French Guiana

Average cloud cover in May - Bostok, French Guiana
  • Average cloud cover in May: 77

The month with the most cloud cover is February (Cloud cover 81).
The month with the least cloud cover is October (Cloud cover 44).

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Average visibility in May
Bostok, French Guiana

Average visibility in May - Bostok, French Guiana
  • Average visibility in May: 5km

The month with the highest visibility is October (8km).
The month with the lowest visibility is May (5km).

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Bostok, French Guiana

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