Live Weather & Forecast
Weather in Santa Helena
Santa Catarina, Brazil · Real-time conditions & 3-day outlook
25°C
Feels like 27°C
77°F / Feels 80°F
Overcast
Santa Helena, Santa Catarina
🌞 Daytime
Updated: 2026-04-21 15:15
Humidity
94%
Wind
3.6 km/h ESE
Wind Gust
10.8 km/h
Pressure
1011 mb
Visibility
10 km
UV Index
3.6
(Moderate)
Precipitation
0.18 mm
Cloud Cover
50%
Dew Point
23.1°C
Wind Degree
110°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
202.9 μg/m³
NO₂
5.8 μg/m³
O₃
28 μg/m³
SO₂
1.1 μg/m³
PM 2.5
6.2 μg/m³
PM 10
6.2 μg/m³
Today's Hourly Forecast
24-hour breakdown for Santa Helena, Santa Catarina
12 AM
21°
Fog
1 AM
21°
Fog
2 AM
21°
Fog
3 AM
21°
Fog
4 AM
21°
Partly Cloudy
5 AM
21°
Fog
6 AM
21°
Fog
7 AM
22°
Mist
8 AM
23°
Partly Cloudy
9 AM
24°
Partly Cloudy
10 AM
26°
Sunny
11 AM
26°
Patchy rain nearby
12 PM
27°
Patchy rain nearby
1 PM
28°
Sunny
2 PM
28°
Patchy light rain in area with thunder
3 PM
25°
Overcast
4 PM
27°
Patchy rain nearby
5 PM
26°
Sunny
6 PM
24°
Clear
7 PM
23°
Patchy rain nearby
8 PM
23°
Patchy rain nearby
9 PM
23°
Patchy rain nearby
10 PM
22°
Mist
11 PM
22°
Mist
3-Day Forecast
Daily overview for Santa Helena, Santa Catarina
Today
Moderate rain
28°
/
21°
🌧️ 88% chance of rain
💧 Avg. humidity: 90%
💨 Max wind: 4 km/h
🌧️ Total precip: 6.5 mm
☀️ UV Index: 9.5
🌅 Sunrise: 05:48 AM
🌇 Sunset: 05:38 PM
🌙 Waxing Crescent
🌑 Moon: 17% lit
Wed, Apr 22
Patchy rain nearby
30°
/
21°
🌧️ 87% chance of rain
💧 Avg. humidity: 88%
💨 Max wind: 7.6 km/h
🌧️ Total precip: 1.72 mm
☀️ UV Index: 12.1
🌅 Sunrise: 05:48 AM
🌇 Sunset: 05:38 PM
🌙 Waxing Crescent
🌑 Moon: 27% lit
Thu, Apr 23
Patchy rain nearby
30°
/
21°
🌧️ 81% chance of rain
💧 Avg. humidity: 87%
💨 Max wind: 6.8 km/h
🌧️ Total precip: 2.91 mm
☀️ UV Index: 11.9
🌅 Sunrise: 05:48 AM
🌇 Sunset: 05:37 PM
🌙 Waxing Crescent
🌑 Moon: 38% lit
Best Time to Visit Santa Helena
Plan your trip to Santa Helena, Brazil around the most favorable weather conditions.
Peak Season
November – April
Dry season — low humidity, clear skies, comfortable temperatures.
Shoulder Season
May, October
Fewer crowds, moderate prices, mild weather.
Off Season
June – September
Wet/monsoon season; heavier rainfall possible.
Frequently Asked Questions
What is the current weather in Santa Helena?
Current conditions in Santa Helena: Overcast, temperature 25°C, humidity 94%.
What is the best time to visit Santa Helena?
The best time to visit Santa Helena is typically November – April. Dry season — low humidity, clear skies, comfortable temperatures.
What is the climate like in Santa Helena?
Santa Helena is located at approximately -10° latitude. It has a tropical or subtropical climate with wet and dry seasons.
Does it rain a lot in Santa Helena?
The wettest period in Santa Helena is typically during June – September. Wet/monsoon season; heavier rainfall possible.
What should I pack for a trip to Santa Helena?
For visits to Santa Helena during November – April: light clothing and sun protection. For June – September: layers and a waterproof jacket are recommended.
What country is Santa Helena in?
Santa Helena is located in Brazil, in the state of Santa Catarina.
What are the public holidays in Santa Helena in 2026?
View the 2026 public holidays for Santa Helena on our Holidays page.
What are the GPS coordinates used for the weather forecast in Santa Helena?
The weather forecast for Santa Helena uses coordinates -10, -55.
What is the current temperature outside in Santa Helena?
The current outdoor temperature in Santa Helena is 25°C (77°F) with overcast.
What is the hourly weather forecast for Santa Helena today?
Today's hour-by-hour weather breakdown for Santa Helena is shown in the Hourly Forecast section above, including temperature, rain chance, and conditions for each hour of the day.
What is the weather in Santa Helena tomorrow hour by hour?
Tomorrow's forecast for Santa Helena shows a high of 30°C and a low of 21°C. See the 3-Day Forecast section above for a full hourly breakdown.
What is the chance of rain today in Santa Helena?
There is a 88% chance of rain in Santa Helena today. Check the hourly forecast above for a time-by-time breakdown of when rain is most likely.
Is it going to rain today in Santa Helena?
Yes, there is a 88% chance of rain in Santa Helena today — consider carrying an umbrella. Check the hourly forecast above for the most likely rain windows.