Best time to go to Fort Simpson
The best time to visit Fort Simpson is dependent on what kind of holiday you are seeking. July is its hottest month on average. At this time, visitor numbers are slightly high and weather is mostly sunny with light rain. January is its coolest month on average. At this time, visitor numbers are average and weather is mostly cloudy with no rain.
 Calendar Month |  Temperature |  Precipitation |  Cloudiness |  Occupancy |
| January | -7.2°F (-21.8°C) | No Rain | Mostly Cloudy | Average |
| February | -2.9°F (-19.4°C) | No Rain | Mostly Cloudy | Average |
| March | 8.4°F (-13.1°C) | No Rain | Mostly Cloudy | Slightly High |
| April | 27.3°F (-2.6°C) | No Rain | Mostly Cloudy | Average |
| May | 49.8°F (9.9°C) | No Rain | Mostly Sunny | Average |
| June | 61.3°F (16.3°C) | Light Rain | Mostly Sunny | Slightly High |
| July | 65.3°F (18.5°C) | Light Rain | Mostly Sunny | Slightly High |
| August | 60.6°F (15.9°C) | Light Rain | Mostly Sunny | Average |
| September | 48.9°F (9.4°C) | No Rain | Mostly Sunny | Average |
| October | 32.0°F (0.0°C) | No Rain | Mostly Cloudy | Slightly Low |
| November | 7.5°F (-13.6°C) | No Rain | Mostly Cloudy | Slightly Low |
| December | -6.3°F (-21.3°C) | No Rain | Mostly Cloudy | Slightly Low |
