Kostroma weather in June

In June, Kostroma sees average daytime highs of 21°C and overnight lows near 11°C, with 75 mm of rain across 11.8 wet days and about 17.6 hours of daylight. It is the 3rd-warmest and 1st-wettest month of the year here.

Highs climb over the month, from about 19°C in the first days to 22°C by the end. The sky is clear or mostly clear about 19% of the time in June, and the air most often feels dry.

Daylight stretches from about 17 h 18 min at the start of June to 17 h 42 min by month's end. Set against the rest of the year, June is Kostroma's 4th-clearest and 10th-windiest month. For the whole year in context, see Kostroma's year-round climate.

Daytime high
21°
3rd warmest
Overnight low
11°
10th coldest
Rainfall
75 mm
11.8 wet days
Daylight
17 h 42 min
3:24 AM – 9:09 PM
Cloud cover
66%
4th clearest
Wind
12 km/h
10th windiest
Solar energy
5.52 kWh/m²
Travel score
6.1
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 June

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 19°C in the first days to 22°C by the end.

A typical June day in Kostroma reaches about 21°C in the afternoon and slips back to 11°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 27°C. Set against its neighbours, June runs about 4°C warmer than May and about 2°C cooler than July.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
1199
2199
3209
4209
5209
62010
72010
82010
92010
102010
112010
122110
132111
142111
152111
162111
172111
182111
192111
202112
212212
222212
232212
242212
252212
262212
272212
282212
292212
302213

How June really feels in Kostroma

Once humidity and wind are folded in, June averages 0 days that feel above 32°C and 0 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
0
wind chill below the day's low

June sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Kostroma weather by month

How June compares with the rest of the year at a glance. June is the 3rd-warmest and 1st-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 June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 19% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 20% of June, with mostly cloudy or overcast conditions the remaining 61%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14060
24060
34060
44060
54159
64060
74060
84060
94060
104060
114060
124060
134159
143961
154060
164060
174060
184060
194060
203961
213961
223961
233862
244060
253961
263961
273961
283862
293961
303862

Chance of precipitation in June

Any precipitation

Kostroma gets around 75 mm of rain over 11.8 wet days in June, the wettest month. 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 40% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
138
237
337
437
537
637
737
838
938
1038
1138
1238
1338
1439
1539
1639
1740
1840
1940
2040
2140
2240
2340
2440
2539
2639
2739
2839
2939
3039

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, June lands in the dry band about 70% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1851140
2841150
3841150
4831250
5821260
6811360
7801370
8781471
9771571
10751681
11751681
12731791
13721891
147118101
157019101
166819112
176620122
186620122
196421132
206421132
216321142
226122143
236122143
246023143
255924143
265924143
275725153
285626153
295626153
305527153

Wind in June

Winds average 12 km/h in June.

Across June, 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
112light breeze
212light breeze
312light breeze
412light breeze
512calm
612calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1412calm
1512calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm

Sunrise & sunset in June

DaylightNight

Daylight runs from about 17 h 18 min at the start of June to 17 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 24 minutes over June. Sunrise moves from 3:36 AM to 3:28 AM, and sunset from 8:52 PM to 9:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
117.33:368:52
217.33:358:53
317.43:338:55
417.43:328:56
517.43:318:58
617.53:308:59
717.53:299:00
817.53:299:01
917.63:289:02
1017.63:279:04
1117.63:269:05
1217.73:269:06
1317.73:259:06
1417.73:259:07
1517.73:259:08
1617.73:249:09
1717.83:249:09
1817.83:249:10
1917.83:249:10
2017.83:249:11
2117.83:249:11
2217.83:249:12
2317.83:249:12
2417.83:259:12
2517.83:259:12
2617.83:259:12
2717.83:269:12
2817.83:269:12
2917.73:279:11
3017.73:289:11

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 5.52 kWh/m² — the sunniest month for solar.

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 — June's 5.52 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.5Bright
65.5Bright
75.5Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.6Bright
155.6Bright
165.6Bright
175.6Bright
185.6Bright
195.6Bright
205.6Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.4Bright
Planning a trip in June

Is June a good time to visit Kostroma?

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

6.1
Sightseeing
2nd-best month of the year
3.6
Beach & pool
2nd-best month of the year

June is a reasonable time to visit Kostroma for sightseeing.

What to pack for Kostroma in June

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

In June, Kostroma sees daytime highs around 21°C and nights near 11°C. Worth packing: rain gear and sun protection. About 12 days see rain.

rain gearsun protection

UV index in Kostroma in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks around 5 — 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
June 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).