Discover the best time of year, based on historical climate, temperature, and precipitation.
The best weather in Kermanshah is from April, May, October. — consistent weather climate
☀️Pleasant
| Score | 23 | 26 | 46 | 84 | 93 | 65 | 45 | 47 | 78 | 95 | 57 | 31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Climate | Cold | Cold | Cold | Mild | Pleasant | Hot & dry | Hot & dry | Hot & dry | Pleasant | Pleasant | Cold | Cold |
| Temperature | -2–9°C | 0–11°C | 3–15°C | 7–21°C | 12–27°C | 18–34°C | 21–38°C | 21–38°C | 17–33°C | 11–25°C | 5–16°C | 0–10°C |
| Feels like | -5–5°C | -4–7°C | 0–12°C | 5–19°C | 10–25°C | 15–33°C | 19–37°C | 19–36°C | 15–31°C | 9–22°C | 2–13°C | -3–7°C |
| Precipitation | 55mm 9 days | 78mm 10 days | 88mm 12 days | 65mm 8 days | 29mm 4 days | 1mm 0 days | 0mm 0 days | 0mm 0 days | 0mm 0 days | 22mm 3 days | 57mm 7 days | 65mm 9 days |
| Sunshine | 8.3h ☀︎ 81% | 8.4h ☀︎ 76% | 9.6h ☀︎ 80% | 10.8h ☀︎ 83% | 12.4h ☀︎ 89% | 13.8h ☀︎ 96% | 13.4h ☀︎ 94% | 12.2h ☀︎ 91% | 11.6h ☀︎ 94% | 10.3h ☀︎ 91% | 8.4h ☀︎ 81% | 7.9h ☀︎ 79% |
| Wind | S · 12 km/h | S · 13 km/h | S · 16 km/h | SW · 16 km/h | SW · 17 km/h | W · 19 km/h | W · 19 km/h | W · 17 km/h | W · 17 km/h | SW · 15 km/h | S · 11 km/h | SE · 10 km/h |
| Humidity (%) | 66% | 65% | 62% | 52% | 40% | 21% | 18% | 18% | 22% | 35% | 60% | 68% |
| Day length | 10.2h | 11.0h | 12.0h | 13.1h | 14.0h | 14.4h | 14.2h | 13.4h | 12.4h | 11.3h | 10.4h | 9.9h |
Kermanshah sees its heaviest travel wave in June just as severe summer heat rolls off the Zagros foothills, completely missing October, when the mountain air turns golden, dry, and cool under empty skies.
Sprawled along the western approaches of the Iranian plateau, Kermanshah sits five hundred kilometers west of Tehran where the high Zagros mountains drop into sweeping valleys. Travellers come to this Kurdish metropolis primarily to stand beneath the cliff faces that have watched empires pass for millennia, from Sasanian kings carved into the living rock to monumental stone plazas built beneath icy mountain springs. Yet timing here is everything. Because the city lies tucked against high peaks, its calendar swings with dramatic ferocity: bone-deep winter cold gives way to a lush, brief mountain spring, which is promptly overtaken by a blistering summer that curiously draws the biggest crowds of the year. To experience the city at its most majestic, you have to ignore the summer stampede and arrive when the high-altitude light softens and the mountain breeze turns crisp.
October is Kermanshah in its purest, most hospitable state. The fierce dry heat of late summer drops off a cliff, replaced by daytime temperatures that feel like an invigorating mountain afternoon and evenings that demand a light woolen coat. The high Zagros air loses the summer dust haze, turning the sky an electric, saturated blue that sharpens the relief of every cliff and stone contour above the city.
Remarkably, while the weather reaches its absolute summit this month, the streets remain quiet. You can stroll through the tiled courtyards of Tekyeh Moaven al-Molk without jostling for space, watching sunlight illuminate the intricate glazed ceramic tiles depicting Persian epic lore in peace. Out at Taq-e Bostan, the spring-fed pool reflects the ancient carved archways without ripples from passing tour boat wake, and local families only begin drifting in as dusk settles.
There is a fleeting, crystalline quality to October here. The rains that will later saturate the plains have not yet gathered in force, leaving dry, crisp footpaths through Kuhestan Park and along the northern hillside promenades. It is the single finest window of the year to be outside from dawn to well past twilight.
Spring arrives in Kermanshah as a rapid, vivid awakening. In April, the mountain snowmelt surges down into the valley, swelling the water basins and turning the typically brown, arid slopes behind the city a brilliant emerald green. Afternoon temperatures sit squarely in the range where walking for hours feels completely natural, though April still brings passing cloudbursts that sweep down from the peaks and briefly wash the limestone cliffs.
By May, the balance tips toward perfection. The rain drops off substantially, the days stretch long and luminous, and the city settles into an easy, open-air rhythm before the summer blast arrives. Boulevard Taq-e Bostan, lined with towering plane trees, becomes an evening promenade where residents walk in the cooling dusk to escape their homes, stopping for tea under the leaves.
Crowd levels throughout April and May remain remarkably subdued compared to the midsummer peak. You get the lushness of the mountain spring—when the surrounding orchards are in flower and the cold springs at the base of the mountains run deep and fast—without having to share historical courtyards with busloads of regional tour groups.
June represents Kermanshah’s greatest paradox. It is by a wide margin the busiest month of the year, with regional travel peaking and visitor numbers hitting their annual ceiling. Yet it is also the moment the valley crosses the threshold into punishing heat. As midday highs push into the mid-thirties and apparent temperatures climb, the city’s stony surfaces radiate intense heat back into the streets.
July and August amplify the blaze. Highs hover around 38 degrees Celsius, rain ceases entirely, and the green slopes of spring bleach into dry, dusty amber. The middle of the day becomes something to endure behind drawn curtains or in air-conditioned interiors. Venturing onto the exposed stone terraces of historic monuments under the midday sun is an exercise in heat exhaustion.
Life during these months shifts entirely to the hours after dark. Only once the sun slides behind the jagged western horizon do the city’s gardens and parks roar to life, with families spreading carpets across Kuhestan Park until long past midnight. If you must visit in midsummer, align your schedule with the locals: sleep through the afternoon scorch, and do your exploring under the stars and floodlights.
September provides a welcome exhale. While the first half of the month still carries the dry, parched momentum of August, the midday bite begins to lose its teeth. The crowds thin out noticeably, returning the historic sites and public gardens to the quiet ownership of the locals.
Rain remains practically nonexistent, making outdoor plans rock-solid. Days are warm, but the late-afternoon shadow of the Zagros mountains stretches across the valley earlier each evening, ushering in cool, dry breezes that make outdoor dining and evening walks effortless.
It serves as the bridge into Kermanshah’s autumn glory. While it lacks the sheer crisp perfection of October, September rewards travellers with wide-open spaces, stable sunshine, and an ease of movement that summer thoroughly denies.
Winter in Kermanshah is neither gentle nor fleeting. Beginning in November, cold winds plunge down from the high Zagros passes, dragging temperatures down and ushering in months of gray skies and frequent, soaking rains. November feels raw and brisk; by December and January, apparent temperatures linger in the low single digits, and frost coats the city walls by sunrise.
March often tricks travellers with the promise of spring, but it remains the wettest, muddiest month on the calendar. Heavy downpours regularly soak the valley floor, turning outdoor sightseeing into a chilly, damp slog. The carved reliefs at Taq-e Bostan glisten in the cold rain, but standing before them requires heavy waterproofing and sturdy boots against the biting wind.
If you travel in these cold months, the experience is strictly indoor-focused. The sprawling vaulted corridors of the traditional bazaar provide shelter from the wet chill, filled with the aroma of roasting nuts, Kurdish spices, and strong black tea brewed over samovars. The monuments are deserted, but you will pay for that solitude with numb fingers and leaden mountain skies.