Climate of Arak Weather:

Arak has a continental climate (Köppen climate classification Dsa) that is, in general, relatively cold and dry. Its weather is warm and dry in summer, windy and cool in autumn, cold and snowy in winter, and mild in spring. The maximum temperature may raise up to 35 degrees Celsius in summer and may fall to below -25 degrees Celsius in winter. The average rainfall is around 350mm and the annual relative humidity is 46%.

Climate data for Arak
Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Record high °C (°F)	17.0 (62.6)	21.0 (69.8)	25.2 (77.4)	29.0 (84.2)	35.0 (95)	41.0 (105.8)	44.0 (111.2)	41.0 (105.8)	38.0 (100.4)	31.0 (87.8)	24.0 (75.2)	20.0 (68)	44 (111.2)
Average high °C (°F)	4.2 (39.6)	6.8 (44.2)	13.5 (56.3)	19.6 (67.3)	25.6 (78.1)	32.6 (90.7)	35.8 (96.4)	34.9 (94.8)	30.8 (87.4)	23.1 (73.6)	14.8 (58.6)	7.6 (45.7)	20.78 (69.39)
Daily mean °C (°F)	−1.3 (29.7)	1.0 (33.8)	7.3 (45.1)	13.1 (55.6)	18.4 (65.1)	24.4 (75.9)	27.5 (81.5)	26.3 (79.3)	21.9 (71.4)	15.2 (59.4)	8.0 (46.4)	2.0 (35.6)	13.65 (56.57)
Average low °C (°F)	−5.7 (21.7)	−3.8 (25.2)	2.0 (35.6)	7.0 (44.6)	11.0 (51.8)	15.3 (59.5)	18.8 (65.8)	17.5 (63.5)	13.0 (55.4)	7.8 (46)	2.6 (36.7)	−2.2 (28)	6.94 (44.48)
Record low °C (°F)	−28 (−18)	−30.5 (−22.9)	−13 (9)	−4.0 (24.8)	0.0 (32)	4.0 (39.2)	12.0 (53.6)	10.0 (50)	2.0 (35.6)	−4.0 (24.8)	−7 (19)	−23 (−9)	−30.5 (−22.9)
Precipitation mm (inches)	54.7 (2.154)	47.6 (1.874)	53.1 (2.091)	53.4 (2.102)	31.9 (1.256)	1.5 (0.059)	0.6 (0.024)	1.1 (0.043)	0.7 (0.028)	18.5 (0.728)	31.6 (1.244)	51.0 (2.008)	345.7 (13.611)
Avg. rainy days	10.8	9.8	11.4	9.4	7.1	1.1	0.9	0.6	0.6	4.3	6.1	8.9	71
Avg. snowy days	7.6	6.4	3.2	0.5	0	0	0	0	0	0.1	0.7	4.6	23.1
% humidity	72	67	55	46	40	28	27	27	27	40	56	67	46
Mean monthly sunshine hours	150.8	160.6	196.0	222.1	287.5	350.4	338.3	329.4	305.1	262.3	188.5	160.8	2,951.8
Source: NOAA (1961-1990) ^[5]