Weather Sumy week

Weather forecast for Sumy for this and next week.

Tuesday, Sep 9

75 / 57°F

0.00 in

8 mph

59 °F	61 °F	3 am
64 °F	68 °F	9 am
75 °F	77 °F	3 pm
66 °F	68 °F	9 pm

sunrise 6:06 am
sunset 7:08 pm

HOURLY

During the day cloudy, later morning rain showers, in the afternoon initially rain showers, later light rain showers, in the evening initially light rain showers, later clear. The highest temperature 75 °F. Total rainfall 0.10 in. At night the lowest temperature 57 °F.

Interactive map weather Ukraine

GPS: 50.9216; 34.8003

altitude: 469 ft
local time:

PLACES IN THE AREA

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Weather forecast Sumy, Ukraine extended forecast

Time			Precip.	Wind	Pressure	Humidity	Dew	total	Fog	Low	Middle	High
Tuesday 09/09/2025
3 AM 8 PM	cloudy	59 °F 61 °F	0.0 in	10 fps 7 mph east-northeast	30.2 in	96 %	57 °F	43 %	0%	3%	0%	39%
9 AM 2 AM	rain showers	64 °F 66 °F	0.08 in	9 fps 6 mph east-northeast	30.2 in	82 %	59 °F	3 %	0%	1%	3%	0%
3 PM 8 AM	light rain showers	75 °F 77 °F	0.02 in	12 fps 8 mph east	30.2 in	60 %	59 °F	48 %	0%	2%	3%	45%
9 PM 2 PM	clear	66 °F 66 °F	0.0 in	13 fps 9 mph east-northeast	30.2 in	73 %	57 °F	3 %	0%	0%	3%	0%
Wednesday 09/10/2025
3 AM 8 PM	clear	59 °F 59 °F	0.0 in	11 fps 7 mph east-northeast	30.3 in	75 %	50 °F	0 %	0%	0%	0%	0%
9 AM 2 AM	clear	64 °F 64 °F	0.0 in	11 fps 8 mph east-northeast	30.3 in	69 %	54 °F	3 %	0%	3%	1%	0%
3 PM 8 AM	overcast	75 °F 73 °F	0.0 in	15 fps 10 mph east-northeast	30.3 in	41 %	48 °F	93 %	0%	5%	43%	87%
9 PM 2 PM	overcast	64 °F 63 °F	0.0 in	13 fps 9 mph east-northeast	30.3 in	57 %	48 °F	100 %	0%	0%	0%	100%

Sumy, Ukraine - information

State: Ukraine

GPS coordinates: 50.9216; 34.8003

Time zone: Europe / Kyiv time difference in hours with time in NY is +1 hours

Population: 259 660
Altitude: 469 ft
The administrative part:

Sums’ka Oblast’, Sumy

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Weather Sumy, Ukraine. Weather forecast Sumy.

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Data source

Weather forecast for Sumy is supplied by MET Norway Norwegian Meteorological Institute and the NRK.

Feels like

To calculate the perceived temperature, we use the Australian Apparent Temperature (AAT) model, which is designed for year-round calculations and takes air humidity into account in addition to temperature and wind speed.

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Long-term statistical averages

	average	min.	max.	precipit… days
January	18 °F
February	21 °F
March	30 °F
April	46 °F
May	59 °F
June	64 °F
July	66 °F
August	65 °F
September	55 °F
October	44 °F
November	33 °F
December	25 °F

Statistical averages in charts Sumy

Astronomical information Sumy

data are always in the local time

Sun and light

Sept. 9, 2025

Sunrise:	Sunset:
6:06 am	7:08 pm
Noon:	Length of day:
12:38 pm	13:02
Start of civil twilight*:	End of civil twilight*:
5:32 am	7:42 pm
Start of nautical twilight*:	End of nautical twilight*:
4:52 am	8:22 pm
Start of astronomical twilight*:	End of astronomical twilight*:
4:09 am	9:05 pm
* What is Twilight?

Moon and moon phases

Moonrise:	Moonset:
09/08/2025 7:21 pm	09/09/2025 8:06 am
Next new moon:	Next full moon:
09/21/2025	10/06/2025