Last updated: August 23, 2025
In December, the average temperature in Harsin, Iran hovers around 5°C (41°F), with a minimum drop to -7°C (20°F) and a maximum rise to 17°C (62°F). Expect 72 mm (2.8 in) of precipitation over about 8 days, creating an atmosphere of 72% humidity that adds a touch of crispness to the air. Whether exploring the outdoors or staying cozy indoors, be prepared for this season's weather variations!
In December in Harsin, the average temperature is 5°C (41°F). Maximum temperatures can reach 17°C (62°F), while minimums can drop as low as -7°C (20°F). Be sure to pack layers and prepare for a mix of cool and chilly days during your travels.
In Harsin in December, the precipitation amount is 72 mm (2.8 in) over the course of 8 days.
In Harsin in December humidity is 72%. With an average temperature of 5°C (41°F), this humidity feels like a chilly, damp embrace that can make outdoor adventures quite uncomfortable, as the cold air coupled with the high moisture in the atmosphere seeps into your bones, leaving you longing for warmth and cozy indoor activities.
In Harsin in December, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Harsin for better planning.
UV Risk Categories
Weather in Harsin varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Harsin, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 2°C (36°F) | 66 mm (2.6 inches) | 69% | moderate |
| February Weather | 4°C (39°F) | 106 mm (4.2 inches) | 67% | high |
| March Weather | 8°C (47°F) | 106 mm (4.2 inches) | 66% | very high |
| April Weather | 13°C (55°F) | 102 mm (4.0 inches) | 56% | very high |
| May Weather | 18°C (65°F) | 44 mm (1.7 inches) | 48% | extreme |
| June Weather | 25°C (77°F) | 3 mm (0.1 inches) | 35% | extreme |
| July Weather | 29°C (85°F) | 0 mm (0.0 inches) | 25% | extreme |
| August Weather | 28°C (83°F) | 0 mm (0.0 inches) | 22% | extreme |
| September Weather | 24°C (76°F) | 1 mm (0.0 inches) | 27% | very high |
| October Weather | 17°C (63°F) | 21 mm (0.8 inches) | 46% | very high |
| November Weather | 9°C (48°F) | 67 mm (2.7 inches) | 60% | moderate |
| December Weather | 5°C (41°F) | 72 mm (2.8 inches) | 72% | moderate |