Fīrūzkūh weather in April

In April, Fīrūzkūh sees average daytime highs of 11°C and overnight lows near 3°C, with 63 mm of precipitation across 11.9 wet days and about 12.9 hours of daylight. It is the 7th-warmest and 1st-wettest month of the year here.

Highs climb over the month, from about 8°C in the first days to 13°C by the end. The sky is clear or mostly clear about 34% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 18 min at the start of April to 13 h 24 min by month's end. Set against the rest of the year, April is Fīrūzkūh's 12th-clearest and 1st-windiest month. For the whole year in context, see Fīrūzkūh's year-round climate.

Daytime high: 11°; 7th warmest
Overnight low: 3°; 6th coldest
Precipitation: 63 mm; 11.9 wet days
Daylight: 12 h 54 min; 5:32 AM – 6:26 PM
Cloud cover: 55%; 12th clearest
Wind: 6 km/h; 1st windiest
Solar energy: 6.01 kWh/m²
Travel score: 2.5; out of 10

Fīrūzkūh is city in Tehran Province, Iran.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

← March Fīrūzkūh year-round climate May →Best places to visit in April

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 8°C in the first days to 13°C by the end.

A typical April day in Fīrūzkūh reaches about 11°C in the afternoon and slips back to 3°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 5°C and 16°C. Set against its neighbours, April runs about 7°C warmer than March and about 6°C cooler than May.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Avg high (°C)	7	8	8	8	8	9	9	9	9	10	10	10	10	10	11	11	11	11	12	12	12	12	12	13	13	13	13	13	13	14
Avg low (°C)	0	0	1	1	1	1	1	2	2	2	2	2	3	3	3	3	3	3	4	4	4	4	4	5	5	5	5	5	5	6

	Avg high (°C)	Avg low (°C)
1	7	0
2	8	0
3	8	1
4	8	1
5	8	1
6	9	1
7	9	1
8	9	2
9	9	2
10	10	2
11	10	2
12	10	2
13	10	3
14	10	3
15	11	3
16	11	3
17	11	3
18	11	3
19	12	4
20	12	4
21	12	4
22	12	4
23	12	4
24	13	5
25	13	5
26	13	5
27	13	5
28	13	5
29	13	5
30	14	6

How April really feels in Fīrūzkūh

Once humidity and wind are folded in, April averages 0 days that feel above 32°C and 8 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C

heat index over the day's high

Days feeling ≤ 0°C

wind chill below the day's low

The story in April is cold — wind chill drags the overnight "feels like" below the raw low.

Fīrūzkūh weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 1st-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Snow days	Daylight (hours)	Travel score
Jan	-2° / -8°	27	6.5	7.4	9.9	0.0
Feb	-1° / -7°	36	7.3	7.9	10.6	0.0
Mar	4° / -3°	53	9.4	7.8	11.7	0.2
Apr	11° / 3°	63	11.9	3.4	12.9	2.5
May	17° / 8°	63	13.7	0.5	13.9	5.0
Jun	22° / 12°	43	10.7	0	14.4	6.9
Jul	25° / 15°	38	8.8	0	14.2	7.7
Aug	24° / 15°	33	7.7	0	13.4	8.0
Sep	21° / 11°	32	8.2	0	12.2	7.3
Oct	14° / 6°	36	8.7	1.2	11.1	4.7
Nov	7° / -1°	35	7.6	5.9	10.1	0.9
Dec	1° / -6°	27	6.4	6.7	9.6	0.0

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time in April, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 21% of April, with mostly cloudy or overcast conditions the remaining 45%.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Clearer (%)	60	60	59	59	58	57	56	56	55	54	54	55	54	55	55	56	55	55	55	55	55	54	54	55	54	54	53	53	53	53
Cloudier (%)	40	40	41	41	42	43	44	44	45	46	46	45	46	45	45	44	45	45	45	45	45	46	46	45	46	46	47	47	47	47

	Clearer (%)	Cloudier (%)
1	60	40
2	60	40
3	59	41
4	59	41
5	58	42
6	57	43
7	56	44
8	56	44
9	55	45
10	54	46
11	54	46
12	55	45
13	54	46
14	55	45
15	55	45
16	56	44
17	55	45
18	55	45
19	55	45
20	55	45
21	55	45
22	54	46
23	54	46
24	55	45
25	54	46
26	54	46
27	53	47
28	53	47
29	53	47
30	53	47

Chance of precipitation in April

Any precipitationSnow

Fīrūzkūh gets around 63 mm of rain and snow over 11.9 wet days in April, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 39% and peaks near 42% on the wettest days, and about 3 days bring snow. The odds climb toward the end of the month.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Rain chance (%)	33	34	34	35	36	36	37	38	38	39	39	39	39	39	39	40	40	40	41	41	41	41	41	41	41	42	42	42	42	42
Snow chance (%)	18	18	17	16	16	16	15	15	14	14	13	12	12	11	11	10	10	10	10	9	9	8	8	8	7	7	7	7	6	6

	Rain chance (%)	Snow chance (%)
1	33	18
2	34	18
3	34	17
4	35	16
5	36	16
6	36	16
7	37	15
8	38	15
9	38	14
10	39	14
11	39	13
12	39	12
13	39	12
14	39	11
15	39	11
16	40	10
17	40	10
18	40	10
19	41	10
20	41	9
21	41	9
22	41	8
23	41	8
24	41	8
25	41	7
26	42	7
27	42	7
28	42	7
29	42	6
30	42	6

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

Most of April feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, April lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Dry (%)	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100

Wind in April

Winds average 6 km/h in April, the windiest month of the year.

Across April, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Wind speed (km/h)	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (km/h)	Feels
1	6	calm
2	6	calm
3	6	calm
4	6	calm
5	6	calm
6	6	calm
7	6	calm
8	6	calm
9	6	calm
10	6	calm
11	6	calm
12	6	calm
13	6	calm
14	6	calm
15	6	calm
16	6	calm
17	6	calm
18	6	calm
19	6	calm
20	6	calm
21	6	calm
22	6	calm
23	6	calm
24	6	calm
25	6	calm
26	6	calm
27	6	calm
28	6	calm
29	6	calm
30	6	calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 18 min at the start of April to 13 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 66 minutes over April. Sunrise moves from 5:53 AM to 5:14 AM, and sunset from 6:14 PM to 6:38 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Daylight (h)	12.3	12.4	12.4	12.5	12.5	12.5	12.6	12.6	12.6	12.7	12.7	12.8	12.8	12.8	12.9	12.9	12.9	13.0	13.0	13.1	13.1	13.1	13.2	13.2	13.2	13.3	13.3	13.3	13.4	13.4
Sunrise (AM)	5:53	5:52	5:50	5:49	5:48	5:46	5:45	5:43	5:42	5:40	5:39	5:38	5:36	5:35	5:33	5:32	5:31	5:29	5:28	5:27	5:25	5:24	5:23	5:22	5:20	5:19	5:18	5:17	5:15	5:14
Sunset (PM)	6:14	6:15	6:15	6:16	6:17	6:18	6:19	6:20	6:20	6:21	6:22	6:23	6:24	6:25	6:25	6:26	6:27	6:28	6:29	6:30	6:31	6:31	6:32	6:33	6:34	6:35	6:36	6:36	6:37	6:38

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.3	5:53	6:14
2	12.4	5:52	6:15
3	12.4	5:50	6:15
4	12.5	5:49	6:16
5	12.5	5:48	6:17
6	12.5	5:46	6:18
7	12.6	5:45	6:19
8	12.6	5:43	6:20
9	12.6	5:42	6:20
10	12.7	5:40	6:21
11	12.7	5:39	6:22
12	12.8	5:38	6:23
13	12.8	5:36	6:24
14	12.8	5:35	6:25
15	12.9	5:33	6:25
16	12.9	5:32	6:26
17	12.9	5:31	6:27
18	13.0	5:29	6:28
19	13.0	5:28	6:29
20	13.1	5:27	6:30
21	13.1	5:25	6:31
22	13.1	5:24	6:31
23	13.2	5:23	6:32
24	13.2	5:22	6:33
25	13.2	5:20	6:34
26	13.3	5:19	6:35
27	13.3	5:18	6:36
28	13.3	5:17	6:36
29	13.4	5:15	6:37
30	13.4	5:14	6:38

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 6.01 kWh/m².

For context, solar energy here swings from a low near 2.92 kWh/m² to a high of 6.7 kWh/m² in June across the year — April's 6.01 kWh/m² falls in the middle.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Solar energy (kWh/m²)	5.8	5.8	5.8	5.8	5.9	5.9	5.9	5.9	5.9	5.9	6.0	6.0	6.0	6.0	6.0	6.0	6.0	6.0	6.1	6.1	6.1	6.1	6.1	6.1	6.1	6.2	6.2	6.2	6.2	6.2
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense

	Solar energy (kWh/m²)	Level
1	5.8	Bright
2	5.8	Bright
3	5.8	Bright
4	5.8	Bright
5	5.9	Bright
6	5.9	Bright
7	5.9	Bright
8	5.9	Bright
9	5.9	Bright
10	5.9	Bright
11	6.0	Bright
12	6.0	Bright
13	6.0	Bright
14	6.0	Bright
15	6.0	Intense
16	6.0	Intense
17	6.0	Intense
18	6.0	Intense
19	6.1	Intense
20	6.1	Intense
21	6.1	Intense
22	6.1	Intense
23	6.1	Intense
24	6.1	Intense
25	6.1	Intense
26	6.2	Intense
27	6.2	Intense
28	6.2	Intense
29	6.2	Intense
30	6.2	Intense

Planning a trip in April

Is April a good time to visit Fīrūzkūh?

Our two travel scores rate April for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

2.5

Sightseeing

7th-best month of the year

0.0

Beach & pool

7th-best month of the year

April is a weaker month for outdoor sightseeing in Fīrūzkūh.

What to pack for Fīrūzkūh in April

From April's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In April, Fīrūzkūh sees daytime highs around 11°C and nights near 3°C. Pack a warm layer and sun protection. Worth having: rain gear. About 12 days see rain.

a warm layersun protectionrain gear

UV index in Fīrūzkūh in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Fīrūzkūh peaks around July 19 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 11 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	3	5	5	8	10	10	11	11	8	6	4	3
Level	Moderate	High	Moderate	Very high	Very high	Very high	Extreme	Extreme	Very high	High	Moderate	Moderate

	UV index (midday)	Level
Jan	3	Moderate
Feb	5	High
Mar	5	Moderate
Apr	8	Very high
May	10	Very high
Jun	10	Very high
Jul	11	Extreme
Aug	11	Extreme
Sep	8	Very high
Oct	6	High
Nov	4	Moderate
Dec	3	Moderate

Air quality in Fīrūzkūh in April

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where April falls, not just the annual average.

Air quality in Fīrūzkūh is worst in December — around 97 µg/m³ PM2.5 (unhealthy), about 3.0× the cleanest month (July, 33 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	95	88	76	68	57	42	33	38	51	67	83	97
Level	Unhealthy	Unhealthy	Unhealthy	Unhealthy	Unhealthy	Poor	Moderate	Poor	Poor	Unhealthy	Unhealthy	Unhealthy

	PM2.5 (µg/m³)	Level
Jan	95	Unhealthy
Feb	88	Unhealthy
Mar	76	Unhealthy
Apr	68	Unhealthy
May	57	Unhealthy
Jun	42	Poor
Jul	33	Moderate
Aug	38	Poor
Sep	51	Poor
Oct	67	Unhealthy
Nov	83	Unhealthy
Dec	97	Unhealthy

Location & terrain

Where is Fīrūzkūh?

Fīrūzkūh sits at 35.8°N, 52.8°E, 1,943 m above sea level, in Iran. The nearest listed city is Zīr Āb, 50 km away.

Topography around Fīrūzkūh

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Fīrūzkūh.

Within 3 km, the terrain around Fīrūzkūh has significant variations in elevation — a maximum elevation change of 555 m around an average of 2,025 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,550 m; within 80 km, extreme variations in elevation — a maximum elevation change of 5,587 m.

The land around Fīrūzkūh is covered by grassland (47%) and bare terrain (21%) within 3 km, grassland (67%) and bare terrain (20%) within 16 km, and grassland (37%), bare terrain (37%) and trees (20%) within 80 km.

3 km

555 m

grassland 47%

16 km

1,550 m

grassland 67%

80 km

5,587 m

grassland 37%

treesgrasslandcroplandartificial surfacesbare terrain

← March Fīrūzkūh year-round climate May →Best places to visit in April

April weather nearby: Zīr Āb 50 km · Mahdishahr 53 km · Semnan 60 km · Damāvand 63 km · Garmsār 71 km · Īstgāh-e Rāh Āhan-e Garmsār 72 km · Rūdehen 78 km · Qā’em Shahr 79 km

Iran travel facts

Travel advisory: Level 4; Do Not Travel
Power plugs: Type C / F; 220 V · 50 Hz
Prices: ≈ 352% of US; price level, 2025
GDP per capita: $3,924; 2025
Happiness: 5.2 / 10; World Happiness, 2025
Safe drinking water: 94%; of population, 2024
Homicide rate: 2.4; per 100k, 2014
Road deaths: 21.5; per 100k/yr, 2019
Income group: Upper middle; World Bank
English: Low; EF EPI 492
Religion

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Fīrūzkūh (35.7567°, 52.7706°, elevation 1,943 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).

	Avg high (°C)	Avg low (°C)
1	7	0
2	8	0
3	8	1
4	8	1
5	8	1
6	9	1
7	9	1
8	9	2
9	9	2
10	10	2
11	10	2
12	10	2
13	10	3
14	10	3
15	11	3
16	11	3
17	11	3
18	11	3
19	12	4
20	12	4
21	12	4
22	12	4
23	12	4
24	13	5
25	13	5
26	13	5
27	13	5
28	13	5
29	13	5
30	14	6

	Clearer (%)	Cloudier (%)
1	60	40
2	60	40
3	59	41
4	59	41
5	58	42
6	57	43
7	56	44
8	56	44
9	55	45
10	54	46
11	54	46
12	55	45
13	54	46
14	55	45
15	55	45
16	56	44
17	55	45
18	55	45
19	55	45
20	55	45
21	55	45
22	54	46
23	54	46
24	55	45
25	54	46
26	54	46
27	53	47
28	53	47
29	53	47
30	53	47

	Rain chance (%)	Snow chance (%)
1	33	18
2	34	18
3	34	17
4	35	16
5	36	16
6	36	16
7	37	15
8	38	15
9	38	14
10	39	14
11	39	13
12	39	12
13	39	12
14	39	11
15	39	11
16	40	10
17	40	10
18	40	10
19	41	10
20	41	9
21	41	9
22	41	8
23	41	8
24	41	8
25	41	7
26	42	7
27	42	7
28	42	7
29	42	6
30	42	6

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100

	Avg high (°C)	Avg low (°C)
1	7	0
2	8	0
3	8	1
4	8	1
5	8	1
6	9	1
7	9	1
8	9	2
9	9	2
10	10	2
11	10	2
12	10	2
13	10	3
14	10	3
15	11	3
16	11	3
17	11	3
18	11	3
19	12	4
20	12	4
21	12	4
22	12	4
23	12	4
24	13	5
25	13	5
26	13	5
27	13	5
28	13	5
29	13	5
30	14	6

	Clearer (%)	Cloudier (%)
1	60	40
2	60	40
3	59	41
4	59	41
5	58	42
6	57	43
7	56	44
8	56	44
9	55	45
10	54	46
11	54	46
12	55	45
13	54	46
14	55	45
15	55	45
16	56	44
17	55	45
18	55	45
19	55	45
20	55	45
21	55	45
22	54	46
23	54	46
24	55	45
25	54	46
26	54	46
27	53	47
28	53	47
29	53	47
30	53	47

	Rain chance (%)	Snow chance (%)
1	33	18
2	34	18
3	34	17
4	35	16
5	36	16
6	36	16
7	37	15
8	38	15
9	38	14
10	39	14
11	39	13
12	39	12
13	39	12
14	39	11
15	39	11
16	40	10
17	40	10
18	40	10
19	41	10
20	41	9
21	41	9
22	41	8
23	41	8
24	41	8
25	41	7
26	42	7
27	42	7
28	42	7
29	42	6
30	42	6

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100

	Avg high (°C)	Avg low (°C)
1	7	0
2	8	0
3	8	1
4	8	1
5	8	1
6	9	1
7	9	1
8	9	2
9	9	2
10	10	2
11	10	2
12	10	2
13	10	3
14	10	3
15	11	3
16	11	3
17	11	3
18	11	3
19	12	4
20	12	4
21	12	4
22	12	4
23	12	4
24	13	5
25	13	5
26	13	5
27	13	5
28	13	5
29	13	5
30	14	6

	Clearer (%)	Cloudier (%)
1	60	40
2	60	40
3	59	41
4	59	41
5	58	42
6	57	43
7	56	44
8	56	44
9	55	45
10	54	46
11	54	46
12	55	45
13	54	46
14	55	45
15	55	45
16	56	44
17	55	45
18	55	45
19	55	45
20	55	45
21	55	45
22	54	46
23	54	46
24	55	45
25	54	46
26	54	46
27	53	47
28	53	47
29	53	47
30	53	47

	Rain chance (%)	Snow chance (%)
1	33	18
2	34	18
3	34	17
4	35	16
5	36	16
6	36	16
7	37	15
8	38	15
9	38	14
10	39	14
11	39	13
12	39	12
13	39	12
14	39	11
15	39	11
16	40	10
17	40	10
18	40	10
19	41	10
20	41	9
21	41	9
22	41	8
23	41	8
24	41	8
25	41	7
26	42	7
27	42	7
28	42	7
29	42	6
30	42	6

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100