| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 5.2° | -4.3° | 50.6mm | 10.3 | 23 |
| February | 8.5° | -2.6° | 39.2mm | 9.1 | 38 |
| March | 14.3° | 1.2° | 39.9mm | 8.7 | 63 |
| April | 18.5° | 4.1° | 47.1mm | 9.3 | 77 |
| May | 24° | 8.4° | 46.8mm | 8.9 | 82 |
| June | 30.8° | 13° | 22mm | 5.2 | 74 |
| July | 35.3° | 17.2° | 11.3mm | 4.4 | 58 |
| August | 33.7° | 16.3° | 20.3mm | 5.2 | 63 |
| September | 28.4° | 11.4° | 29.8mm | 5.9 | 83 |
| October | 20.3° | 5.1° | 37.7mm | 6.6 | 87 |
| November | 12° | 0° | 32.2mm | 7.3 | 57 |
| December | 5.4° | -3.9° | 48.9mm | 9.6 | 25 |
January in Orem averages a daily high of 5.2°C with nights around -4.3°C. Expect roughly 10.3 wet days totalling 50.6mm. A hard month to visit for comfort alone.
February in Orem averages a daily high of 8.5°C with nights around -2.6°C. Expect roughly 9.1 wet days totalling 39.2mm. Demanding conditions — pack for it and plan indoor options.
March in Orem averages a daily high of 14.3°C with nights around 1.2°C. Expect roughly 8.7 wet days totalling 39.9mm. Generally workable, with some weather to plan around.
April in Orem averages a daily high of 18.5°C with nights around 4.1°C. Expect roughly 9.3 wet days totalling 47.1mm. Comfortable conditions for being outdoors all day.
May in Orem averages a daily high of 24°C with nights around 8.4°C. Expect roughly 8.9 wet days totalling 46.8mm. Comfortable conditions for being outdoors all day.
June in Orem averages a daily high of 30.8°C with nights around 13°C. Expect roughly 5.2 wet days totalling 22mm. Generally workable, with some weather to plan around.
July in Orem averages a daily high of 35.3°C with nights around 17.2°C. Expect roughly 4.4 wet days totalling 11.3mm. Generally workable, with some weather to plan around.
August in Orem averages a daily high of 33.7°C with nights around 16.3°C. Expect roughly 5.2 wet days totalling 20.3mm. Generally workable, with some weather to plan around.
September in Orem averages a daily high of 28.4°C with nights around 11.4°C. Expect roughly 5.9 wet days totalling 29.8mm. Comfortable conditions for being outdoors all day.
October in Orem averages a daily high of 20.3°C with nights around 5.1°C. Expect roughly 6.6 wet days totalling 37.7mm. Comfortable conditions for being outdoors all day.
November in Orem averages a daily high of 12°C with nights around 0°C. Expect roughly 7.3 wet days totalling 32.2mm. Generally workable, with some weather to plan around.
December in Orem averages a daily high of 5.4°C with nights around -3.9°C. Expect roughly 9.6 wet days totalling 48.9mm. A hard month to visit for comfort alone.
Each month scores out of 100. It starts at 100 and loses points for daytime highs outside a 20–27°C band, for wet days, and for nights below 2°C. Nothing else is weighted in — no crowd data, no prices, no opinion. Orem peaks at 87.
Based on 30 years of records, September–October scores highest for comfort in Orem, balancing daytime temperature against rainfall.
July is the warmest, averaging a daily high of 35.3°C.
January is the wettest, averaging 50.6mm of rain across roughly 10.3 wet days.
January is the coolest month, with average daily highs around 5.2°C.