May
May · June · September
92climate match
United States · 1991–2020
Best time to visit
Helen.
May leads for comfortable weather in Helen: typically 24.3°C by day, 11.3°C at night, with 15 mm of rain. Based on measured 1991–2020 NOAA station history.
Best comfortMay
Typical high24.3°C
Typical low11.3°C
Rain in May15 mm
August
August · July · June
83climate match
April
April · October · May
91climate match
The weakest month is January, scoring 5 against May’s 92 — days reach only 5.2°C, 19° below the 24°C the score treats as ideal.
Month by month
The whole year,
without the guesswork.
The bars show the comfort score. Day and night temperatures come from daily observed highs and lows; rain is the historical monthly estimate.
Jan
55.2° / -1.6°
Feb
208.5° / -0.2°
Mar
4414° / 3°
Apr
6818.7° / 6.7°
May
9224.3° / 11.3°
Jun
8728° / 15°
Jul
6233.3° / 18.9°
Aug
6532.6° / 18.6°
Sep
8727.2° / 13.9°
Oct
6818.6° / 7.5°
Nov
2910.2° / 2°
Dec
55.1° / -1.6°
| Month | Day | Night | Rain | Wet days | Daylight | Comfort | Coverage |
|---|---|---|---|---|---|---|---|
| January | 5.2°C | -1.6°C | 26 mm | 6.1 | 8 h 56 | 5 | Strong coverage |
| February | 8.5°C | -0.2°C | 18 mm | 4.4 | 10 h 14 | 20 | Strong coverage |
| March | 14°C | 3°C | 18 mm | 4.4 | 11 h 45 | 44 | Strong coverage |
| April | 18.7°C | 6.7°C | 13 mm | 2.9 | 13 h 30 | 68 | Strong coverage |
| May | 24.3°C | 11.3°C | 15 mm | 3.1 | 14 h 59 | 92 | Strong coverage |
| June | 28°C | 15°C | 14 mm | 2.7 | 15 h 49 | 87 | Strong coverage |
| July | 33.3°C | 18.9°C | 5 mm | 1 | 15 h 29 | 62 | Strong coverage |
| August | 32.6°C | 18.6°C | 2 mm | 0.7 | 14 h 11 | 65 | Strong coverage |
| September | 27.2°C | 13.9°C | 4 mm | 1.4 | 12 h 29 | 87 | Strong coverage |
| October | 18.6°C | 7.5°C | 17 mm | 3.8 | 10 h 48 | 68 | Strong coverage |
| November | 10.2°C | 2°C | 23 mm | 5.3 | 9 h 19 | 29 | Strong coverage |
| December | 5.1°C | -1.6°C | 34 mm | 6.5 | 8 h 35 | 5 | Strong coverage |
What has changed
Helen runs +0.3°C
on the 1961–1990 baseline.
Each bar compares the 2011–2025 daytime average for that month against the same month in 1961–1990, measured at the same station. Months where the older record is too thin to compare are left blank.
Jan
+0.6
Feb
-0.7
Mar
-0.3
Apr
-0.1
May
+0.6
Jun
+0.2
Jul
+1.2
Aug
+0.8
Sep
+0.4
Oct
-0.3
Nov
0.0
Dec
+1.1
| Month | Record high | Record low | Wettest day | Wettest / driest month | Years |
|---|---|---|---|---|---|
| January | 21.7°C31 Jan 1971 | -24.4°C31 Jan 1996 | 19 mm22 Jan 1999 | 69 mm1970 · driest 0 mm in 1957 | 68 |
| February | 22.2°C24 Feb 1986 | -23.3°C2 Feb 1996 | 25 mm29 Feb 2000 | 43 mm1958 · driest 0 mm in 1964 | 69 |
| March | 27.8°C25 Mar 1960 | -11.7°C1 Mar 1962 | 26 mm23 Mar 1967 | 43 mm2016 · driest 1 mm in 1968 | 68 |
| April | 34.4°C24 Apr 1977 | -3.9°C4 Apr 1964 | 27 mm28 Apr 1995 | 52 mm1995 · driest 0 mm in 1977 | 66 |
| May | 40.6°C30 May 1986 | -1.1°C11 May 1989 | 33 mm13 May 2015 | 41 mm2015 · driest 0 mm in 1964 | 68 |
| June | 45.0°C30 Jun 2021 | 1.7°C16 Jun 1973 | 25 mm20 Jun 1991 | 63 mm1991 · driest 0 mm in 2025 | 67 |
| July | 46.7°C5 Jul 2015 | 8.3°C1 Jul 1991 | 25 mm18 Jul 1987 | 30 mm1993 · driest 0 mm in 1959 | 67 |
| August | 43.3°C8 Aug 1972 | 5.6°C31 Aug 1999 | 22 mm30 Aug 1977 | 31 mm1977 · driest 0 mm in 2000 | 67 |
| September | 40.6°C2 Sep 1998 | 0.6°C25 Sep 1996 | 17 mm13 Sep 1980 | 33 mm1977 · driest 0 mm in 1974 | 66 |
| October | 33.3°C6 Oct 2014 | -7.8°C29 Oct 1971 | 25 mm2 Oct 1957 | 57 mm2016 · driest 0 mm in 1972 | 62 |
| November | 24.4°C13 Nov 1999 | -21.7°C23 Nov 1985 | 34 mm19 Nov 1996 | 73 mm1983 · driest 0 mm in 1976 | 65 |
| December | 21.7°C26 Dec 1980 | -21.7°C30 Dec 1968 | 38 mm9 Dec 1987 | 96 mm1996 · driest 1 mm in 2013 | 67 |
| Month | Days 25°C+ | Days 30°C+ | Frost nights | Heavy rain (10 mm+) | Snow days |
|---|---|---|---|---|---|
| January | 0 | 0 | 19 | <1 | 1 |
| February | 0 | 0 | 13 | <1 | <1 |
| March | <1 | 0 | 6 | <1 | <1 |
| April | 3 | <1 | <1 | <1 | 0 |
| May | 13 | 5 | 0 | <1 | 0 |
| June | 21 | 10 | 0 | <1 | 0 |
| July | 29 | 23 | 0 | <1 | 0 |
| August | 29 | 23 | 0 | 0 | 0 |
| September | 20 | 9 | 0 | 0 | 0 |
| October | 2 | <1 | 2 | <1 | 0 |
| November | 0 | 0 | 11 | <1 | <1 |
| December | 0 | 0 | 20 | <1 | <1 |
| Month | Warm & dry days | Wet days | Washouts | Week with 3+ wet days | Daytime mean has ranged |
|---|---|---|---|---|---|
| January | <1% | 17% | 1% | 17% | 0.5–7.9°C |
| February | <1% | 16% | <1% | 15% | 5.0–11.2°C |
| March | 8% | 13% | <1% | 8% | 11.9–15.9°C |
| April | 36% | 9% | <1% | 4% | 16.5–21.2°C |
| May | 76% | 9% | <1% | 5% | 21.8–26.4°C |
| June | 91% | 7% | <1% | 3% | 26.1–31.0°C |
| July | 97% | 3% | <1% | <1% | 31.1–35.6°C |
| August | 97% | 3% | <1% | 1% | 30.2–34.8°C |
| September | 91% | 5% | <1% | 3% | 24.4–29.2°C |
| October | 40% | 10% | <1% | 8% | 17.5–20.5°C |
| November | 1% | 18% | 2% | 18% | 8.1–12.2°C |
| December | <1% | 20% | 2% | 20% | 2.0–7.7°C |
A warm and dry day reaches 20°C with under 1 mm of rain; a wet day gets 1 mm or more; a washout gets 10 mm or more. The week column is the share of seven-day stretches in that month, across the station’s whole daily record, that contained three or more wet days — the odds a week-long trip is rained on repeatedly, counted rather than modelled. The last column is the 10th to 90th percentile of that month’s daytime average across individual years: a narrow band means the average is what you will get, a wide one means the average is a midpoint between years that felt quite different.
The evidence behind this page
Nearby, measured,
and named.
- Place identity
- GeoNames 5797062
- NOAA station
- USC00456747 · PRIEST RAPIDS DAM
- Station distance
- 23 km from the place centre
- Climate period
- 1991–2020
- Minimum month coverage
- 25 usable years
- Daylight
- Calculated from latitude 46.63°, mid-month, sunrise to sunset including refraction. Not a station measurement.
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.