Kostroma weather in April

In April, Kostroma sees average daytime highs of 10°C and overnight lows near 0°C, with 40 mm of precipitation across 9.2 wet days and about 14 hours of daylight. It is the 6th-warmest and 10th-wettest month of the year here.

Highs climb over the month, from about 5°C in the first days to 14°C by the end. The sky is clear or mostly clear about 20% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 42 min at the start of April to 15 h 12 min by month's end. Set against the rest of the year, April is Kostroma's 5th-clearest and 8th-windiest month. For the whole year in context, see Kostroma's year-round climate.

Daytime high
10°
6th warmest
Overnight low
6th coldest
Precipitation
40 mm
9.2 wet days
Daylight
14 hours
5:16 AM – 7:17 PM
Cloud cover
69%
5th clearest
Wind
13 km/h
8th windiest
Solar energy
4.03 kWh/m²
Travel score
2.0
out of 10

Kostroma is city in the center of European Russia.

Density
1,919/km²
people per km²
Founded
1152

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

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 5°C in the first days to 14°C by the end.

A typical April day in Kostroma reaches about 10°C in the afternoon and slips back to 0°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 3°C and 17°C. Set against its neighbours, April runs about 9°C warmer than March and about 8°C cooler than May.

-10°10°20°151015202530
Avg high (°C)Avg low (°C)
14-4
25-3
35-3
46-3
56-2
66-2
77-2
87-2
97-1
108-1
118-1
129-1
1390
1490
1590
16100
17101
18101
19111
20111
21111
22122
23122
24122
25132
26133
27133
28143
29143
30144

How April really feels in Kostroma

Once humidity and wind are folded in, April averages 0 days that feel above 32°C and 28 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
28
wind chill below the day's low

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

Kostroma weather by month

How April compares with the rest of the year at a glance. April is the 6th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-6° / -12°4111.112.570.0
Feb-5° / -11°318.6108.90.0
Mar / -7°359.28.611.40.0
Apr10° / 409.22.7142.0
May17° / 5811.10.316.35.2
Jun21° / 11°7511.8017.66.1
Jul23° / 14°7312.5017.16.4
Aug21° / 12°7012.1015.16.1
Sep15° / 6511.10.212.54.2
Oct / 6512.13.3101.0
Nov-0° / -4°5010.87.77.60.0
Dec-5° / -9°4210.411.56.30.0

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 14% of April, with mostly cloudy or overcast conditions the remaining 66%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13565
23466
33466
43367
53367
63268
73268
83268
93268
103268
113268
123268
133268
143268
153268
163367
173367
183466
193466
203565
213565
223664
233664
243763
253763
263763
273862
283763
293763
303862

Chance of precipitation in April

Any precipitationSnow

Kostroma gets around 40 mm of rain and snow over 9.2 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 31% and peaks near 32% on the wettest days, and about 3 days bring snow.

0%10%20%30%40%151015202530
Rain chance (%)Snow chance (%)
12820
22819
32818
42917
52916
63015
73014
83013
93112
103111
113110
12329
13328
14328
15327
16327
17327
18327
19327
20326
21316
22316
23316
24315
25315
26314
27314
28314
29323
30323

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.

0%25%50%75%100%151015202530
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100

Wind in April

Winds average 13 km/h in April.

Across April, daily wind ranges from about 12 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
114light breeze
214light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 42 min at the start of April to 15 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 150 minutes over April. Sunrise moves from 5:59 AM to 4:39 AM, and sunset from 6:43 PM to 7:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.75:596:43
212.85:566:46
312.95:536:48
413.05:506:50
513.15:476:52
613.25:446:54
713.35:416:57
813.35:396:59
913.45:367:01
1013.55:337:03
1113.65:307:06
1213.75:277:08
1313.85:247:10
1413.85:227:12
1513.95:197:15
1614.05:167:17
1714.15:137:19
1814.25:117:21
1914.35:087:24
2014.35:057:26
2114.45:037:28
2214.55:007:30
2314.64:577:33
2414.74:557:35
2514.84:527:37
2614.84:497:39
2714.94:477:41
2815.04:447:44
2915.14:427:46
3015.24:397:48

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.03 kWh/m².

For context, solar energy here swings from a low near 0.26 kWh/m² to a high of 5.52 kWh/m² in June across the year — April's 4.03 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
13.4Moderate
23.5Moderate
33.5Moderate
43.5Moderate
53.6Moderate
63.6Moderate
73.6Moderate
83.7Moderate
93.7Moderate
103.8Moderate
113.8Moderate
123.8Moderate
133.9Moderate
143.9Moderate
154.0Moderate
164.0Bright
174.1Bright
184.1Bright
194.2Bright
204.2Bright
214.3Bright
224.3Bright
234.4Bright
244.4Bright
254.5Bright
264.5Bright
274.6Bright
284.6Bright
294.6Bright
304.7Bright
Planning a trip in April

Is April a good time to visit Kostroma?

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

2.0
Sightseeing
6th-best month of the year
0.0
Beach & pool
6th-best month of the year

April is a weaker month for outdoor sightseeing in Kostroma.

What to pack for Kostroma in April

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

In April, Kostroma sees daytime highs around 10°C and nights near 0°C. Pack a warm layer. Worth having: rain gear. About 9 days see rain.

a warm layerrain gear

UV index in Kostroma in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Kostroma peaks around July 13 at about 6 (high) — a little sun protection helps at midday. It bottoms out near December 19 at about 0 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 13UV 6Dec 19UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Moderate
Apr3Moderate
May4Moderate
Jun5High
Jul6High
Aug4Moderate
Sep3Moderate
Oct1Low
Nov1Low
Dec0Low
Location & terrain

Where is Kostroma?

Kostroma sits at 57.8°N, 40.9°E, 109 m above sea level, in Russia. The nearest listed city is Volgorechensk, 38 km away.

Topography around Kostroma

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

Within 3 km, the terrain around Kostroma has only modest variations in elevation — a maximum elevation change of 80 m around an average of 102 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 116 m; within 80 km, only modest variations in elevation — a maximum elevation change of 167 m.

The land around Kostroma is covered by artificial surfaces (47%) and trees (31%) within 3 km, trees (41%), grassland (27%) and cropland (20%) within 16 km, and trees (66%) and grassland (21%) within 80 km.

3 km
80 m
16 km
116 m
80 km
167 m
treesgrasslandcroplandartificial surfaceswater
April weather nearby: Volgorechensk 38 km · Nerekhta 40 km · Privolzhsk 48 km · Furmanov 58 km · Yaroslavl 64 km · Danilov 65 km · Kineshma 80 km · Gavrilov-Yam 82 km

Russia travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 32% of US
price level, 2025
GDP per capita
$17,547
2025
Happiness
5.8 / 10
World Happiness, 2025
Safe drinking water
76%
of population, 2024
Homicide rate
6.8
per 100k, 2021
Road deaths
12
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 521
Religion
other Christian 2%

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 Kostroma (57.7664°, 40.9283°, elevation 109 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).