Discover the best time of year, based on historical climate, temperature, and precipitation.
The best weather in Rasht is from May, June, August. — consistent weather climate
🌧Rainy
| Score | 27 | 25 | 48 | 73 | 74 | 86 | 61 | 74 | 70 | 54 | 42 | 37 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Climate | Cold | Cold | Cold | Mild | Humid | Pleasant | Hot & dry | Hot & dry | Rainy | Rainy | Cool & rainy | Cold |
| Temperature | 4–12°C | 4–12°C | 7–15°C | 10–20°C | 15–24°C | 20–29°C | 22–30°C | 22–30°C | 19–26°C | 15–21°C | 10–17°C | 6–13°C |
| Feels like | 1–10°C | 1–10°C | 5–14°C | 9–20°C | 16–26°C | 22–32°C | 25–33°C | 25–34°C | 21–29°C | 15–22°C | 8–16°C | 4–12°C |
| Precipitation | 153mm 17 days | 166mm 16 days | 138mm 18 days | 88mm 11 days | 82mm 11 days | 29mm 5 days | 99mm 12 days | 66mm 10 days | 160mm 17 days | 211mm 20 days | 209mm 19 days | 142mm 16 days |
| Sunshine | 5.3h ☀︎ 53% | 5.2h ☀︎ 48% | 4.8h ☀︎ 40% | 8.2h ☀︎ 62% | 9.2h ☀︎ 65% | 11.4h ☀︎ 77% | 9.4h ☀︎ 65% | 9.7h ☀︎ 72% | 7.4h ☀︎ 60% | 5.6h ☀︎ 50% | 4.8h ☀︎ 47% | 4.7h ☀︎ 49% |
| Wind | SW · 15 km/h | SW · 14 km/h | W · 14 km/h | NW · 13 km/h | N · 13 km/h | N · 13 km/h | NW · 12 km/h | NW · 13 km/h | NW · 13 km/h | W · 12 km/h | SW · 13 km/h | SW · 14 km/h |
| Humidity (%) | 82% | 84% | 84% | 81% | 81% | 71% | 75% | 72% | 82% | 88% | 86% | 85% |
| Day length | 9.9h | 10.8h | 12.0h | 13.2h | 14.2h | 14.7h | 14.4h | 13.6h | 12.4h | 11.2h | 10.2h | 9.7h |
A standard weather chart points directly to June as Rasht's finest hour, but May is the real masterstroke: you get the lush green surge of northern Iran before the stifling coastal humidity descends and before domestic crowds flood the city.
Rasht defies every expectation of what Iran looks like. Squeezed between the green spine of the Alborz mountains and the Caspian Sea, this is not a realm of sun-baked mudbrick and desert silence, but a damp, moss-covered city wrapped in temperate rainforest. Locals call it the City of Silver Rain, and moisture is its defining element. For centuries, travelers knew it as the gateway to Europe, trading silk and caviar across the water through Bandar-e Anzali and absorbing outside architecture into its broad, pedestrian avenues. Yet deciding when to step into this rainy corner of Gilan is where almost everyone goes astray. On paper, midsummer is the driest time, while the calendar registers its heaviest crowds in the dead of cold, sodden winter. The true secret to Rasht lies in the brief, luminous window when the rain softens into mist and the gardens are in full, fragrant riot.
May is the undisputed champion of the Gilan calendar, even if standard travel charts prefer June. In April and May, the heavy winter deluges ease into mild, refreshing showers that clean the cobblestones without washing away your plans. Daytime temperatures sit comfortably in the twenties, and the air smells vividly of orange blossoms and fresh mountain pine drifting down from the highlands.
Crucially, you have the city almost to yourself. Domestic tourism remains subdued, meaning you can walk across Shahrdari Square at dusk without dodging tour buses, finding a peaceful bench beneath the clocktower while the streetlights reflect off the slick pavement. A stroll through Mohtasham Garden during May reveals why Rasht is celebrated as the culinary and agrarian garden of Iran: tea plantations in the foothills are bright emerald, and urban parks are bursting with new growth.
Choosing May over June gives up a slight margin of dryness in exchange for sanity. You avoid the oppressive stickiness that arrives with the summer sun, hotel rooms do not require weeks of advance planning, and the pace of the city remains unhurried and distinctly local.
A pure data algorithm will tell you June is perfect. It is the driest month on the calendar, cloud cover drops to its annual low, and the sun shines for nearly twelve hours a day. But those dry numbers conceal a physical reality: the Caspian Sea turns into a giant steam bath.
By mid-June, the temperature climbs into the upper twenties and feels well past thirty once the coastal moisture clings to your skin. The respite from rain brings an immediate rush of travelers escaping the heat of Tehran and the central plateau. The narrow mountain switchbacks climbing to the terraced village of Masouleh choke with traffic, and the waterfront toward Bandar-e Anzali loses its quiet coastal mystique.
If your only priority is dodging an umbrella, June delivers. But you will spend your midday hours sheltering inside air-conditioned rooms rather than strolling the city's open-air bazaars and leafy avenues.
July and August are Rasht at its most physically demanding. The rain returns in sporadic, heavy bursts, but it brings zero relief from the heat. Midday feels genuinely oppressive, wrapping the streets in thick, soup-like air that forces the entire city indoors until twilight.
Life shifts almost entirely to the night. Sabzeh Meydan only comes alive after dark, when families emerge to eat smoked fish, olives, and fresh grilled kebabs on the cooler stone sidewalks. The mountain escape to Masouleh offers slightly cooler air, but every other traveler in northern Iran has had the exact same idea, jamming the stone paths of the village.
Unless you plan to base yourself high in the Alborz peaks and treat Rasht merely as a transit hub, these midsummer weeks require high stamina and a relaxed, slow-moving itinerary.
September starts with promise as the summer heat breaks and autumn colors begin to flicker through the rainforest canopy. But as October settles in, the clouds stack up against the mountains and unleash the true Silver Rain in earnest. October is one of the wettest periods of the year, bringing intense, hours-long rain that can quickly flood gutters and overwhelm casual walkers.
There is a moody, romantic poetry to this period if you are properly equipped. The aroma of woodsmoke and damp earth fills the alleys, and teahouses become sanctuary spaces where you can spend entire afternoons watching the rain bounce off tiled roofs. But do not expect to hike through the nearby Hyrcanian forests without knee-deep mud.
If you come in early autumn, plan for indoor culture and spontaneous delays. It is a time for slow meals, warm tea, and watching the Caspian gray skies settle in.
Here lies the great contradiction of Rasht: November and December are the busiest months of the entire year, yet meteorologically they are cold, gray, and soaking wet. While international advice would steer you miles away from a city hovering near freezing with persistent rain, Iranian travelers pour into Gilan during these months to experience precisely that gloomy, atmospheric coastal chill.
Bundle up in wool, and you will discover why the locals thrive in this weather. The city does not hibernate. Around Shahrdari Square, food carts send up plumes of aromatic steam, grilling spiced meats and roasting chestnuts late into the evening. The cold air keeps the Caspian seafood exceptionally fresh in the open markets, and the moody, cinematic light has an undeniable draw for photographers.
By February and March, the crowds thin out again, leaving behind a cold drizzle until the vernal equinox stirs the northern coast back to life. It is raw and damp, but if you want to understand the stoic, rain-loving soul of Rasht, this is when it is on fullest display.