Climate of Gretna

Gretna has a continental climate. It is warm in the summer and cold in the winter. The average annual temperature for Gretna is 9° degrees and there is about 313 mm of rain in a year. It is dry for 190 days a year with an average humidity of 75% and an UV-index of 3.

Climate averages for the whole year

Day: the average daily temperature during the day is between -10°C and 27°C
Night:the average nighttime temperature is between -17°C and 15°C
Rain: it rains 96 days and there is a total of approximately 313 mm rainfall
Snow: it snows an average of 70 days per year
Sun hours: throughout the year there are 2523 sun hours

Maximum temperature:	between -10°C and 27°C
Warmest month:	27°C in August
Coldest month:	-10°C in January
Night temperature:	between -17°C and 15°C
Dry days:	199 days
Days with rain:	96 days
Days with snow:	70 days
Total rain sum:	313 mm
Hours of sunshine:	2523 hours

Climate of Gretna
Temperature graph
Precipitation graph
Climate chart of Gretna
The best travel time for Gretna
Climate of Gretna by month
Experiences with the weather of Gretna

Temperature graph

This graph shows the average maximum temperature (red) and minimum temperature (blue) for Gretna.

Precipitation graph

This graph shows the average amount of rainfall per month for Gretna.

Climate table of Gretna

In this climate table you can see at a glance what the average weather per month is for Gretna. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for Gretna might be like in a given month.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Day temp. (°C)	-10	-9	0	9	18	23	26	27	21	11	1	-8
Night temp. (°C)	-17	-17	-8	1	9	13	15	15	11	4	-5	-14
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Precipitation (mm)	13	13	21	20	50	52	35	23	28	26	14	18
Days with rain	3	2	7	10	12	15	12	8	9	9	5	4
Days with snow	14	13	11	5	1	-	-	-	-	3	10	13
Dry days	14	13	13	15	18	15	19	23	21	19	15	14
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sun hours per day	3	3	4	8	9	10	11	11	9	5	4	4
Wind force (Bft)	3	3	3	3	3	3	3	3	3	3	3	3
UV-index	1	1	2	3	4	5	6	5	4	2	2	1

Best time to visit Gretna

The best time to visit Gretna in Canada is from May through September. In this period you have a warm temperature and little precipitation. The highest average temperature in Gretna is 27°C in August and the lowest is -10°C in January.

Climate of Gretna by month

What is the average climate in a given month for Gretna? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.

January