Katālem va Sādāt Shahr weather in April

In April, Katālem va Sādāt Shahr sees average daytime highs of 15°C and overnight lows near 13°C, with 75 mm of rain across 11.8 wet days and about 12.9 hours of daylight. It is the 8th-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 14°C in the first days to 17°C by the end. The sky is clear or mostly clear about 32% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 24 min at the start of April to 13 h 30 min by month's end. Set against the rest of the year, April is Katālem va Sādāt Shahr's 7th-clearest and 7th-windiest month. For the whole year in context, see Katālem va Sādāt Shahr's year-round climate.

Daytime high
15°
8th warmest
Overnight low
13°
5th coldest
Rainfall
75 mm
11.8 wet days
Daylight
12 h 54 min
5:39 AM – 6:36 PM
Cloud cover
59%
7th clearest
Wind
11 km/h
7th windiest
Solar energy
4.99 kWh/m²
Travel score
4.5
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 14°C in the first days to 17°C by the end.

A typical April day in Katālem va Sādāt Shahr reaches about 15°C in the afternoon and slips back to 13°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 20°C. Set against its neighbours, April runs about 3°C warmer than March and about 4°C cooler than May.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
11311
21411
31411
41411
51411
61411
71411
81412
91512
101512
111512
121512
131512
141512
151513
161613
171613
181613
191613
201613
211613
221613
231614
241614
251614
261714
271714
281714
291714
301715

Katālem va Sādāt Shahr weather by month

How April compares with the rest of the year at a glance. April is the 8th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan11° / 1631719.82.3
Feb10° / 13014.51.710.62.1
Mar12° / 10514.50.311.72.8
Apr15° / 13°7511.8012.94.5
May20° / 17°478.8013.96.6
Jun24° / 22°436.3014.58.0
Jul26° / 24°436.5014.37.8
Aug27° / 25°527.2013.47.5
Sep24° / 22°15012.5012.36.8
Oct21° / 19°24615.70115.8
Nov17° / 14°24317.20.2104.3
Dec13° / 11°18416.60.39.53.1

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 16% of April, with mostly cloudy or overcast conditions the remaining 51%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14753
24753
34852
44951
54951
64951
74951
84951
95050
105050
115050
125149
135149
145149
155149
165149
174951
184951
194951
204852
214852
224753
234753
244852
254753
264654
274654
284753
294753
304753

Chance of precipitation in April

Any precipitation

Katālem va Sādāt Shahr gets around 75 mm of rain over 11.8 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 39% and peaks near 43% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
143
242
342
441
541
641
740
840
939
1038
1138
1237
1337
1437
1537
1638
1738
1839
1939
2039
2139
2239
2339
2439
2539
2639
2739
2839
2938
3038

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 80% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
110000
29910
39910
49910
59820
69730
79640
89550
99460
109370
119280
1290100
1388120
1487130
1585150
1683170
1781190
1879210
1976231
2074251
2172271
2268302
2366322
2462353
2560373
2656404
2753425
2850446
2947467
3044488

Wind in April

Winds average 11 km/h in April.

Across April, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
112calm
212calm
312calm
412calm
512calm
612calm
712calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 24 min at the start of April to 13 h 30 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 6:01 AM to 5:21 AM, and sunset from 6:22 PM to 6:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:016:22
212.46:006:23
312.45:586:24
412.55:576:25
512.55:556:26
612.65:546:27
712.65:526:28
812.65:516:29
912.75:496:30
1012.75:486:30
1112.75:466:31
1212.85:456:32
1312.85:436:33
1412.95:426:34
1512.95:416:35
1612.95:396:36
1713.05:386:37
1813.05:366:38
1913.15:356:38
2013.15:346:39
2113.15:326:40
2213.25:316:41
2313.25:306:42
2413.25:286:43
2513.35:276:44
2613.35:266:45
2713.45:246:46
2813.45:236:46
2913.45:226:47
3013.55:216:48

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.99 kWh/m².

For context, solar energy here swings from a low near 1.82 kWh/m² to a high of 5.94 kWh/m² in June across the year — April's 4.99 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.7Bright
44.7Bright
54.8Bright
64.8Bright
74.8Bright
84.9Bright
94.9Bright
104.9Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.1Bright
175.1Bright
185.1Bright
195.1Bright
205.1Bright
215.1Bright
225.1Bright
235.1Bright
245.1Bright
255.1Bright
265.2Bright
275.2Bright
285.2Bright
295.2Bright
305.2Bright
Planning a trip in April

Hazard calendar for Katālem va Sādāt Shahr

In seasonPeak

None of Katālem va Sādāt Shahr's seasonal hazards are active in April. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Katālem va Sādāt Shahr's rainy season runs September–February, when most of the year's rain falls.

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

Is April a good time to visit Katālem va Sādāt Shahr?

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

4.5
Sightseeing
7th-best month of the year
0.4
Beach & pool
8th-best month of the year

April is a reasonable time to visit Katālem va Sādāt Shahr for sightseeing.

What to pack for Katālem va Sādāt Shahr in April

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

In April, Katālem va Sādāt Shahr sees daytime highs around 15°C and nights near 13°C. Worth packing: a warm layer, rain gear and sun protection. About 12 days see rain.

a warm layerrain gearsun protection

Sea temperature near Katālem va Sādāt Shahr in April

The nearest coast averages about 14°C in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 16 km away) is warmest in August at about 28°C and coldest in February near 11°C.

It's comfortable for a long swim from May 22 to Nov 5 — about 5.5 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan12Bracing
Feb11Bracing
Mar11Bracing
Apr14Bracing
May19Cool
Jun24Warm
Jul27Warm
Aug28Warm
Sep26Warm
Oct23Refreshing
Nov19Cool
Dec15Bracing

UV index in Katālem va Sādāt Shahr in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Katālem va Sādāt Shahr peaks around July 17 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJul 17UV 9Dec 22UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar4Moderate
Apr7High
May9Very high
Jun8Very high
Jul9Very high
Aug9Very high
Sep7High
Oct5Moderate
Nov3Moderate
Dec3Moderate

Air quality in Katālem va Sādāt Shahr 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 Katālem va Sādāt Shahr is worst in February — around 50 µg/m³ PM2.5 (poor), about 3.1× the cleanest month (July, 16 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModeratePoorFeb 1149 µg/m³Jul 1817 µg/m³
PM2.5 (µg/m³)Level
Jan48Poor
Feb50Poor
Mar45Poor
Apr40Poor
May33Moderate
Jun21Moderate
Jul16Moderate
Aug20Moderate
Sep25Moderate
Oct30Moderate
Nov37Poor
Dec45Poor
Location & terrain

Where is Katālem va Sādāt Shahr?

Katālem va Sādāt Shahr sits at 36.9°N, 50.7°E, -9 m above sea level, in Iran. The nearest listed city is Rāmsar, 5.0 km away.

Topography around Katālem va Sādāt Shahr

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Katālem va Sādāt Shahr.

Within 3 km, the terrain around Katālem va Sādāt Shahr has significant variations in elevation — a maximum elevation change of 449 m around an average of 40 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,351 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,754 m.

The land around Katālem va Sādāt Shahr is covered by trees (47%) and water (22%) within 3 km, trees (52%) and water (42%) within 16 km, and water (44%), grassland (28%) and trees (21%) within 80 km.

3 km
449 m
16 km
2,351 m
80 km
4,754 m
treesgrasslandcroplandartificial surfacesbare terrainwater
April weather nearby: Rāmsar 5.0 km · Tonekābon 18 km · Rūdsar 45 km · Amlash 51 km · Langarūd 59 km · Chālūs 70 km · Lāhījān 70 km · Nowshahr 76 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
Muslim 99%Christian 1%Baha'i 0%agnostic 0%

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 Katālem va Sādāt Shahr (36.8888°, 50.6964°, elevation -9 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).