SCHEDULE CHANGES IN TEMPERATURE
Sunny  intervals
Sumy
+14°C
Wind: 3 m/s, North-West
Humidity: 69%
Pressure: 748 mm
Sunrise: 07:08, Sunset: 17:44
17 October, Sunrise 07:08, Sunset 17:44
Today
Sunny  intervals
+8..+16°C   Sunny intervals
3:00
Cloudy
+8°C
+6°C
747
91%
2 m/s West
6:00
Sunny  intervals
+10°C
+7°C
746
92%
3 m/s West
9:00
Cloudy
+10°C
+7°C
746
92%
4 m/s West
12:00
Cloudy
+14°C
+11°C
747
89%
5 m/s North-West
15:00
Sunny  intervals
+16°C
+13°C
748
61%
4 m/s North
18:00
Sunny  intervals
+14°C
+12°C
748
69%
3 m/s North-West
21:00
Partly  cloudy
+11°C
+8°C
750
91%
3 m/s North-West
24:00
Partly  sunny
+9°C
+7°C
750
93%
3 m/s West
18 October, Sunrise 07:10, Sunset 17:42
18.10
Clear
+9..+18°C   Clear
3:00
Partly  sunny
+9°C
+6°C
750
94%
3 m/s Southwestern
6:00
Clear
+9°C
+5°C
750
95%
4 m/s Southwestern
9:00
Clear
+11°C
+6°C
749
87%
6 m/s Southwestern
12:00
Clear
+16°C
+11°C
749
73%
7 m/s Southwestern
15:00
Clear
+18°C
+14°C
748
66%
7 m/s Southwestern
18:00
Clear
+15°C
+12°C
747
79%
5 m/s Southwestern
21:00
Clear
+14°C
+10°C
747
84%
5 m/s Southwestern
24:00
Clear
+13°C
+9°C
747
86%
5 m/s Southwestern
19 October, Sunrise 07:11, Sunset 17:40
19.10
Sunny  intervals
+11..+18°C   fog, Sunny intervals
3:00
Partly  sunny
+12°C
+9°C
746
90%
4 m/s Southwestern
6:00
Sunny  intervals
+11°C
+8°C
746
93%
4 m/s West
9:00
Sunny  intervals
+12°C
+10°C
747
87%
3 m/s Southwestern
12:00
Cloudy
+16°C
+14°C
747
68%
3 m/s West
15:00
Cloudy
+18°C
+15°C
746
63%
4 m/s West
18:00
Cloudy
+15°C
+13°C
746
76%
3 m/s West
21:00
Cloudy
+14°C
+12°C
746
81%
2 m/s West
24:00
fog
+12°C
+12°C
746
86%
1 m/s West
20 October, Sunrise 07:13, Sunset 17:38
20.10
Partly  sunny
+10..+16°C   fog, Partly sunny
3:00
fog
+12°C
+11°C
746
89%
0 m/s North
6:00
fog
+11°C
+10°C
746
92%
1 m/s North-East
9:00
Clear
+13°C
+11°C
747
87%
2 m/s North-East
12:00
Sunny  intervals
+15°C
+13°C
747
74%
3 m/s North-East
15:00
Partly  cloudy
+16°C
+14°C
747
65%
3 m/s North-East
18:00
Partly  sunny
+13°C
+11°C
748
76%
3 m/s North-East
21:00
Partly  sunny
+11°C
+8°C
749
86%
4 m/s North-East
24:00
Clear
+10°C
+7°C
750
89%
3 m/s East
21 October, Sunrise 07:15, Sunset 17:36
21.10
rain
+8..+15°C   drizzle, rain, Sunny intervals
3:00
Clear
+8°C
+5°C
750
88%
3 m/s East
6:00
Sunny  intervals
+8°C
+4°C
750
85%
3 m/s East
9:00
Sunny  intervals
+9°C
+5°C
749
76%
4 m/s South-East
12:00
Partly  cloudy
+13°C
+9°C
749
65%
4 m/s South-East
15:00
Sunny  intervals
+15°C
+12°C
747
65%
4 m/s South
18:00
Cloudy
+13°C
+10°C
745
75%
4 m/s South
21:00
Cloudy
+13°C
+10°C
744
81%
4 m/s South
24:00
rain
+12°C
+9°C
742
87%
5 m/s Southwestern
22 October, Sunrise 07:16, Sunset 17:34
22.10
rain
+5..+11°C   rain, drizzle, Sunny intervals
3:00
rain
+11°C
+7°C
741
89%
5 m/s Southwestern
6:00
Partly  sunny
+10°C
+5°C
740
96%
6 m/s West
9:00
Partly  cloudy
+10°C
+4°C
740
89%
8 m/s North-West
12:00
Cloudy
+11°C
+6°C
741
85%
7 m/s North-West
15:00
Cloudy
+11°C
+6°C
742
83%
7 m/s North-West
18:00
Cloudy
+8°C
+2°C
744
78%
7 m/s North
21:00
Cloudy
+6°C
+1°C
745
72%
5 m/s North-East
24:00
Sunny  intervals
+5°C
+1°C
746
74%
3 m/s East
23 October, Sunrise 07:18, Sunset 17:32
23.10
rain
+3..+8°C   rain, drizzle, Cloudy
3:00
Sunny  intervals
+4°C
-1°C
747
81%
3 m/s East
6:00
Sunny  intervals
+3°C
-2°C
747
82%
4 m/s East
9:00
Sunny  intervals
+4°C
-1°C
746
76%
5 m/s South-East
12:00
Cloudy
+6°C
0°C
746
66%
6 m/s South-East
15:00
Cloudy
+8°C
+2°C
744
61%
6 m/s South-East
18:00
Cloudy
+7°C
0°C
743
65%
6 m/s South-East
21:00
rain
+7°C
0°C
742
66%
7 m/s South
24:00
Cloudy
+8°C
+1°C
741
70%
7 m/s South

Weather, climate Sum

Reference Information...

Sum climate is continental, rather wet. Winter with little snow, unstable, moderately cold, summers are warm and moderately humid.

The average temperature for the year is 6,4-7,5 ° C.

The average temperature in January (the coldest month) - minus 4,5-5,2 ° C, the average temperature in July (the hottest month) is 19,4-20,3 WITH.

The absolute minimum temperature recorded in the city on Jan. 9, 1987 - 34,2 ° below zero, the absolute maximum fixed August 5, 2010 and amounted to 39,4 ° C heat.

Winter in Sumy period lasts 104-117 days - from 17-21 November to March 5-14, when there is a steady transition average daily temperature 0 ° C warming and towards the beginning of spring.

Summer period (with average daily air temperatures of 15 ° C and above) lasts 100-108 days - from May 3-6 to 21-27 September.

The average rainfall for the year is 589 mm, varying from year to year from 372 to 868 mm. About 70% of the annual precipitation falls in the warm season.

Daily moistening creates a generally positive balance of moisture in the soil. However, due to the high permeability of light texture of rocks that occur in areas Woodlands, and due to the peculiarities of the ravine and ravines relief in areas of steppe soil with great repeatability drought.Relative humidity in the warm season (April-October) ranges from 63% in spring to 83% in autumn, and the number of days with relative humidity of 30% or less, this period is 11-23 days.

The first autumn frosts occur in the air at the beginning of the third decade of September, marked the last spring frost in late first - early second decade of May.

Late spring frosts in the air was recorded May 27, 1997, and the soil - June 4, 2003.

The earliest autumn frosts observed on Sept. 11, 2004.

Average time bezzamorozkovoho period is 145-175 days.

Snow cover is formed in early November; destroyed in the first half of March. Duration occurrence of snow cover during the winter in the region of 90-108 days, the average height of snow during the winter - 7-13 cm, while the maximum height in some years reaches 36-73 cm. In recent decades, there are winter without permanent snow cover.

Winter usually observed thaw, the number of days on which the period December-February in the region ranges from 36 to 45.

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