Semnan weather
Today's sky, the hour-by-hour rain chance and the 16-day forecast for Semnan, Iran. Like most weather services, we show Semnan at one spot: Shahrud, its largest city. At 2:45 AM local time it was mostly clear and 11°C (51°F). Little to no rain in the next 24 hours. Best months for weather: May–Oct.
Current conditions
- Clouds
- 23%
- Chance of rain
- 0%
- Rain
- 0.0 mm/h
Hourly Forecast
Little to no rain in the next 24 hours
Daily Forecast
Best Time to Visit
Peak season May–OctOff season Nov–Feb
About Shahrud weather
Is it raining in Shahrud right now?
No. It’s mostly clear and 11° right now. Little to no rain in the next 24 hours.
What’s the weather like in Shahrud this week?
Over the next 7 days, expect highs of 14–20° and lows of 8–11°. Rain is likely on 1 of 7 days (Tuesday). The driest day looks like Thursday.
Has it been raining in Shahrud lately?
In the past 7 days, Shahrud had 1 rainy day and 2.7 mm of rain in total.
What should I pack for Shahrud?
For the coming week, bring an umbrella or rain jacket and a warm layer for the evenings.
Semnan weather by month
When is the best time to visit Semnan?
Based on weather alone, the best time to visit Semnan is May–Oct, according to NASA's 2001–2025 climate averages. Nov–Feb tends to be the least pleasant. Average highs run from 5°C (40°F) in January to 31°C (88°F) in July.
What is the rainiest month in Semnan?
March is the wettest month, with about 34 mm (1.3 in) of rain on average. August is the driest, with about 4 mm (0.2 in).
What is the hottest month in Semnan?
July is the warmest, with average highs of 31°C (88°F) and lows of 15°C (59°F). January is the coolest, with highs of 5°C (40°F) and lows of -6°C (22°F).
Does Semnan have a rainy season?
Not a strong one. No month averages more than 150 mm of rain; the wettest is March at about 34 mm (1.3 in).
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis for Shahrud), forecast and current conditions from Open-Meteo. Page updated . How we rate months
Compare places in Semnan
Weather can differ a lot within Semnan: coasts, hills and mountains each have their own climate.
| Place | Best months | Rainy months | Highs | Rain a year |
|---|---|---|---|---|
| Shahrud | May–Oct | None | 5–31°C | 207 mm |
| Semnan | Apr–Oct | None | 4–33°C | 234 mm |
| Dāmghān | Apr–Oct | None | 7–34°C | 216 mm |
| Īstgāh-e Rāh Āhan-e Garmsār | Mar–May, Sep–Oct | None | 11–40°C | 194 mm |
| Garmsār | Mar–May, Sep–Oct | None | 11–40°C | 194 mm |
| Mahdishahr | Apr–Oct | None | 4–33°C | 234 mm |