Weather in Santa Helena, Brazil
Weather Advisories
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Today's weather summary
The weather in Santa Helena on Thursday, May 16th, is going to be cloudy throughout the day.
Also, there's a high chance of light fog during the evening, at about 9 pm.
Weather information for Santa Helena, on Thursday, May 16th:
The maximum temperature during the day is going to be 71°F at about 5 pm. The day will have very high relative humidity, with average humidity of 85%, ranging from 77% to a maximum value of 95% at about 11 pm. The wind will be light, and will get up to 6 mph at 8 am, blowing from the south-west. The cloud coverage throughout the day will be around 100%.
The precipitation probability will change throughout the day between 0% and 25%. The highest chance for precipitation will be around 5 pm and the lowest probability around 8 am. The dew point will range from 59°F up to a maximum value of 67°F around 8 pm.
The visibility is expected to be good with average visibility of 8 mi throughout the day. Atmospheric pressure will be normal with average pressure of 1016 hPa. Sunrise will be at 6:43 am, and sunset at 5:38 pm. The day will have 10 hours and 55 minutes of daylight.
Air quality forecast for Santa Helena, on Thursday, May 16th:
On average, the air quality on this day will be moderate, meaning that air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution. According to our index, ranging from 0 to 500, the air quality is going to be between values of 42 and 62.
Pollen forecast for Santa Helena, on Thursday, May 16th:
The overall pollen forecast for this day shows no significant pollen. Tree pollen on this day is expected to have no risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have no risk.
The weather in Santa Helena on Friday, May 17th, will be cloudy throughout the day, together with drizzle during the evening.
There is also a chance for fog before dawn around 12 am.
Weather details for Santa Helena, on Friday, May 17th:
The highest temperature during the day will be 71°F at about 11 am. The day will be extremely humid, with average humidity of 92%, ranging from 84% to a maximum value of 97% at about midnight. The wind will be breezy, and will get up to 16 mph at 11 pm, blowing from the south-east. The cloud coverage will range from 88% around 1 pm to as high as 100% around 11 pm with an average of 99%.
The chances of precipitation throughout the day will change between 0% and 55%. The highest chance for precipitation will be around 11 pm and the lowest probability around midnight. The dew point will range from 64°F up to a maximum value of 67°F around 8 pm.
The visibility is expected to be good with average visibility of 10 mi throughout the day. Atmospheric pressure will be normal with average pressure of 1014 hPa. Sunrise will be at 6:44 am, and sunset at 5:38 pm. The day will have 10 hours and 54 minutes of daylight.
Air quality forecast for Santa Helena, on Friday, May 17th:
On average, the air quality on this day will be moderate, meaning that air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution. According to our index, ranging from 0 to 500, the air quality is going to be between values of 36 and 64.
Pollen forecast for Santa Helena, on Friday, May 17th:
The overall pollen forecast for this day shows no significant pollen. Tree pollen on this day is expected to have no risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have no risk.
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