Live Weather & Forecast
Weather in Semnan
Iran · Real-time conditions & 3-day outlook
10°C
Feels like 8°C
51°F / Feels 46°F
Sunny
Semnan, Iran
🌙 Nighttime
Updated: 2026-04-15 18:30
Humidity
46%
Wind
22.3 km/h NW
Wind Gust
25.7 km/h
Pressure
1015 mb
Visibility
10 km
UV Index
0
(Low)
Precipitation
0 mm
Cloud Cover
13%
Dew Point
-0.6°C
Wind Degree
320°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
165.9 μg/m³
NO₂
2.9 μg/m³
O₃
99 μg/m³
SO₂
1.1 μg/m³
PM 2.5
4.3 μg/m³
PM 10
5.5 μg/m³
Today's Hourly Forecast
24-hour breakdown for Semnan, Iran
12 AM
10°
Clear
1 AM
9°
Clear
2 AM
9°
Clear
3 AM
8°
Clear
4 AM
8°
Clear
5 AM
8°
Clear
6 AM
9°
Sunny
7 AM
10°
Sunny
8 AM
11°
Sunny
9 AM
12°
Sunny
10 AM
13°
Sunny
11 AM
14°
Sunny
12 PM
15°
Sunny
1 PM
15°
Sunny
2 PM
14°
Sunny
3 PM
14°
Sunny
4 PM
13°
Patchy rain nearby
5 PM
12°
Sunny
6 PM
10°
Sunny
7 PM
10°
Clear
8 PM
9°
Clear
9 PM
8°
Clear
10 PM
8°
Clear
11 PM
8°
Clear
3-Day Forecast
Daily overview for Semnan, Iran
Today
Sunny
15°
/
8°
🌧️ 0% chance of rain
💧 Avg. humidity: 44%
💨 Max wind: 23 km/h
🌧️ Total precip: 0.01 mm
☀️ UV Index: 1.8
🌅 Sunrise: 06:19 AM
🌇 Sunset: 07:26 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Thu, Apr 16
Sunny
15°
/
5°
🌧️ 0% chance of rain
💧 Avg. humidity: 37%
💨 Max wind: 11.5 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.7
🌅 Sunrise: 06:18 AM
🌇 Sunset: 07:27 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Sunny
18°
/
7°
🌧️ 0% chance of rain
💧 Avg. humidity: 33%
💨 Max wind: 10.4 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.8
🌅 Sunrise: 06:17 AM
🌇 Sunset: 07:28 PM
🌙 New Moon
🌑 Moon: 0% lit
Best Time to Visit Semnan
Plan your trip around the most favorable weather conditions in Semnan, Iran.
Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
Frequently Asked Questions
What is the current weather in Semnan?
Current conditions in Semnan: Sunny, temperature 10°C, humidity 46%.
What is the best time to visit Semnan?
The best time to visit Semnan is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Semnan?
Semnan shares the climate of Iran. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Semnan?
Rainfall patterns in Semnan vary by season. Peak rainfall typically occurs outside of the dry season.
What should I pack for Semnan?
For visits during June – September: light clothing and sun protection. For the November – March period: layers and a waterproof jacket are recommended for Semnan.
What country is Semnan in?
Semnan is a state/province of Iran.
What are the public holidays in Semnan in 2026?
View the full list of 2026 public holidays for Semnan on our Holidays page.
What are the coordinates for the weather forecast in Semnan?
The weather forecast for Semnan is based on coordinates 36.1675, 54.338.