The weather in Northern Manitoba can vary greatly on a weekly and even daily basis. It is a good idea to pack for a wide range of weather conditions even during the summer months of July and August. In June, the high daily temperatures average in the 60s to lower 70s. During July and August the high daily temperatures average in the 70s.
 

Month
Average Temperature
Hours of Daylight
June
67
18:00
July
75
17:30
August
67
15:15