What April feels like in Tehran
Mid-spring arrives in Tehran with April. The middle of the day is pleasantly mild. The day–night swing is wide (about 12.1°C (21.8°F)): nights are cool, so mornings and evenings feel very different from midday. Humidity is moderate, so the air feels neither sticky nor dry.
Rain in Tehran in April
It is a changeable month: rain comes about one day in 4, with dry spells in between. Wet days average about 4.9 mm (0.2 in), enough to soak you without an umbrella. The yearly figure is similar, around 5.4 mm per wet day.
Daylight and sunshine in April
On 15 April the sun rises at about 5:33 am and sets around 6:36 pm local time, giving 13 h 4 min of daylight. Since mid-March the day has gained 1 h 9 min. About 86% of daylight hours are sunny; in short, skies are mostly clear.
How April compares to the rest of the year
Ranked by average high, April comes out as the 6th coolest month in Tehran. Afternoons run 6.2°C (11.2°F) warmer than in March, with 14 mm less rain. The warm-up continues into May. May averages a high of 28.6°C (83.5°F).
Who April suits
- Sightseeing: a good fit — daytime temperatures are fine for walking around.
- Parks & outdoor: a good fit — pleasant for gardens, parks and riversides.
- Hiking: a good fit — mild temperatures for trails.
Tips for visiting Tehran in April
Versatile Layers
Days are noticeably warmer than nights — layers you can add or remove.
Rain Protection
Keep a small umbrella in your bag and wear shoes that cope with puddles.
Sunglasses
Bright days make sunglasses worth packing.
Quick questions
How warm is Tehran in April?
Expect around 22°C (71.6°F) in the afternoon and 9.9°C (49.8°F) at night, which most visitors would call mild.
Does it rain a lot in Tehran in April?
It does: about 8 rainy days bring roughly 40 mm, so plan some indoor options.
What should I wear in Tehran in April?
The numbers point to versatile layers, rain protection and sunglasses. Bring something extra for the cooler evenings.
Is April or May better for visiting Tehran?
May, narrowly: it ranks #3 of 12 among Tehran's months, against #4 for the other. May is warmer and has fewer rainy days.