June is one of the warmer months of the year in Twin Falls, with average highs near 26.8°C and lows around 10.7°C (mean 18.8°C). It is about average for rainfall, averaging 23 mm of rainfall and 43% relative humidity across the period.
June is one of the warmer months of the year in Twin Falls. Across 45 years of records, the warmest June in Twin Falls was 2021 — when the month averaged 24.2°C — while the coldest was 1998 at 15°C. Typical June days reach 26.8°C with nights near 10.7°C. The long-term trend is warming, about 0.4°C per decade.
June is about average for rainfall in Twin Falls, averaging 23 mm of rainfall. The wettest June on record was 2009 with 107 mm, while the driest was 2025 at 2 mm.
Relative humidity in Twin Falls during June averages 43%. The most humid June was 2009 at 59%, and the least humid was 2021 at 27%.
June receives about 7.5 kWh/m²/day of solar energy in Twin Falls. The sunniest June was 2021 at 8.4 kWh/m²/day, and the cloudiest was 1995 at 6.4.
Average wind speed in Twin Falls during June is 2.7 m/s. The windiest June was 1981 at 3.3 m/s, while the calmest was 2023 at 2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 18.9°C | 17.5°C | 18.9°C | 18.9°C | 20.1°C | +1.2°C |
| Avg High | 27.0°C | 25.3°C | 27.1°C | 26.9°C | 28.1°C | +1.1°C |
| Avg Low | 10.7°C | 9.6°C | 10.8°C | 10.8°C | 12.1°C | +1.4°C |
| Avg Rain | 23 mm | 36 mm | 25 mm | 12 mm | 20 mm | -2 mm |
June temperatures in Twin Falls have risen by about 3°C between 1981–1985 and 2021–2025.
June has ranged from a record low of -0.5°C (1995) to a record high of 41.2°C (2015).
Rainfall in June is about average for rainfall, averaging 23 mm, with a wettest year of 107 mm.
One of the best times to visit Twin Falls
June is one of the best times to visit Twin Falls. Expect days averaging 26.8°C and nights around 10.7°C (mean 18.8°C) — warmer than Twin Falls's yearly average — with low rainfall (23 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 29.8°C | 21.5°C | 13.2°C | 37.8°C | 6.5°C | 2 mm | 32% | 2.7 m/s | 8.1 |
| 2024 | 29.2°C | 21.1°C | 13.0°C | 36.6°C | 2.7°C | 13 mm | 39% | 2.7 m/s | 7.9 |
| 2023 | 24.1°C | 17.3°C | 10.5°C | 31.7°C | 2.2°C | 37 mm | 54% | 2 m/s | 6.9 |
| 2022 | 27.1°C | 19.0°C | 10.9°C | 36.9°C | 1.8°C | 14 mm | 42% | 2.7 m/s | 7.6 |
| 2021 🔥 | 33.3°C | 24.2°C | 15.1°C | 38.8°C | 4.8°C | 3 mm | 27% | 2.9 m/s | 8.4 |
| 2020 | 25.3°C | 17.7°C | 10.2°C | 34.4°C | 1.5°C | 50 mm | 49% | 3.1 m/s | 6.8 |
| 2019 | 25.7°C | 17.8°C | 10.0°C | 31.0°C | 2.2°C | 6 mm | 45% | 2.6 m/s | 8 |
| 2018 | 26.8°C | 18.8°C | 10.8°C | 36.1°C | 6.0°C | 11 mm | 45% | 2.8 m/s | 7.8 |
| 2017 | 27.3°C | 19.3°C | 11.2°C | 36.9°C | 5.6°C | 21 mm | 48% | 2.8 m/s | 7.7 |
| 2016 | 29.3°C | 20.9°C | 12.4°C | 36.9°C | 4.8°C | 5 mm | 41% | 2.3 m/s | 7.8 |
| 2015 | 30.8°C | 22.7°C | 14.5°C | 41.2°C | 8.3°C | 8 mm | 41% | 2.2 m/s | 7.8 |
| 2014 | 25.6°C | 17.8°C | 10.0°C | 33.1°C | 4.2°C | 15 mm | 42% | 2.9 m/s | 7.7 |
| 2013 | 28.9°C | 20.2°C | 11.6°C | 39.6°C | 4.4°C | 5 mm | 36% | 2.5 m/s | 7.9 |
| 2012 | 27.6°C | 18.6°C | 9.6°C | 36.3°C | 2.3°C | 10 mm | 37% | 3 m/s | 8.3 |
| 2011 | 23.4°C | 15.7°C | 8.0°C | 34.5°C | -0.5°C | 22 mm | 53% | 2.8 m/s | 7.6 |
| 2010 | 24.0°C | 16.8°C | 9.7°C | 35.4°C | 2.3°C | 23 mm | 53% | 2.6 m/s | 6.6 |
| 2009 🌧️ | 23.0°C | 16.4°C | 9.8°C | 33.2°C | 4.3°C | 107 mm | 59% | 2.2 m/s | 6.5 |
| 2008 | 25.8°C | 17.6°C | 9.3°C | 37.9°C | 1.5°C | 18 mm | 42% | 2.8 m/s | 7.9 |
| 2007 | 28.8°C | 20.3°C | 11.7°C | 36.9°C | 3.4°C | 17 mm | 34% | 2.7 m/s | 7.8 |
| 2006 | 28.5°C | 20.4°C | 12.2°C | 35.2°C | 5.7°C | 25 mm | 44% | 2.4 m/s | 7.7 |
| 2005 | 23.4°C | 15.9°C | 8.4°C | 34.9°C | 2.2°C | 34 mm | 52% | 2.7 m/s | 6.8 |
| 2004 | 27.9°C | 19.4°C | 10.8°C | 34.3°C | 6.0°C | 11 mm | 42% | 2.6 m/s | 7.9 |
| 2003 | 27.8°C | 19.5°C | 11.1°C | 36.6°C | 5.8°C | 6 mm | 35% | 2.7 m/s | 8.2 |
| 2002 | 28.0°C | 19.8°C | 11.6°C | 39.1°C | 1.4°C | 11 mm | 39% | 2.6 m/s | 7.6 |
| 2001 | 28.5°C | 19.8°C | 11.2°C | 36.7°C | 2.7°C | 11 mm | 30% | 3.2 m/s | 7.7 |
| 2000 | 28.8°C | 20.1°C | 11.4°C | 36.9°C | 4.6°C | 5 mm | 30% | 3.1 m/s | 8.1 |
| 1999 | 25.6°C | 17.9°C | 10.2°C | 35.2°C | 2.9°C | 21 mm | 44% | 2.8 m/s | 7.5 |
| 1998 ❄️ | 22.2°C | 15.0°C | 7.8°C | 32.7°C | 3.4°C | 51 mm | 55% | 2.4 m/s | 7.2 |
| 1997 | 25.6°C | 18.1°C | 10.7°C | 32.6°C | 5.8°C | 49 mm | 51% | 2.5 m/s | 7.5 |
| 1996 | 27.6°C | 19.0°C | 10.3°C | 34.0°C | 2.2°C | 11 mm | 43% | 2.4 m/s | 7.8 |
| 1995 | 22.2°C | 15.2°C | 8.2°C | 32.1°C | -0.5°C | 80 mm | 57% | 2.4 m/s | 6.4 |
| 1994 | 28.7°C | 19.9°C | 11.2°C | 37.9°C | 3.4°C | 5 mm | 31% | 2.8 m/s | 7.8 |
| 1993 | 22.9°C | 15.2°C | 7.5°C | 33.5°C | 1.5°C | 61 mm | 51% | 3 m/s | 6.9 |
| 1992 | 27.5°C | 19.8°C | 12.0°C | 36.6°C | 5.3°C | 42 mm | 39% | 2.7 m/s | 6.7 |
| 1991 | 24.6°C | 16.5°C | 8.4°C | 31.7°C | 1.9°C | 20 mm | 44% | 2.7 m/s | 7.3 |
| 1990 | 26.5°C | 18.2°C | 9.9°C | 37.7°C | 2.1°C | 20 mm | 42% | 2.7 m/s | 7.8 |
| 1989 | 26.7°C | 18.5°C | 10.4°C | 35.1°C | 3.6°C | 11 mm | 41% | 2.6 m/s | 7.6 |
| 1988 | 30.7°C | 21.9°C | 13.1°C | 38.2°C | 5.0°C | 16 mm | 36% | 2.9 m/s | 7.3 |
| 1987 | 28.4°C | 20.1°C | 11.8°C | 35.9°C | 2.3°C | 20 mm | 39% | 2.4 m/s | 7.3 |
| 1986 | 29.6°C | 21.6°C | 13.5°C | 35.7°C | 7.7°C | 35 mm | 42% | 2.3 m/s | 7.5 |
| 1985 | 28.4°C | 19.8°C | 11.2°C | 36.0°C | 3.4°C | 5 mm | 31% | 2.7 m/s | 7.7 |
| 1984 | 23.4°C | 15.6°C | 7.9°C | 36.8°C | 0.6°C | 47 mm | 51% | 2.9 m/s | 6.8 |
| 1983 | 24.3°C | 16.6°C | 8.9°C | 33.3°C | 2.9°C | 32 mm | 49% | 2.6 m/s | — |
| 1982 | 25.4°C | 17.8°C | 10.1°C | 34.4°C | 2.3°C | 28 mm | 49% | 2.3 m/s | — |
| 1981 | 26.2°C | 18.0°C | 9.7°C | 39.1°C | 1.3°C | 8 mm | 41% | 3.3 m/s | — |
Actual recorded June data for each year, 1981–2025 — sourced from NASA POWER.
The average high in June is around 26.8°C with lows near 10.7°C (mean 18.8°C), based on 45 years of NASA POWER data.
June averages 23 mm of rainfall in Twin Falls, about average for rainfall. The wettest on record was 107 mm in 2009.
The hottest June reached 41.2°C in 2015. The coldest dipped to -0.5°C in 1995.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average June temperatures have risen by about 3°C. Daytime highs moved from 25.5°C to 28.7°C and overnight lows from 9.6°C to 12.5°C over the same span.
June is one of the warmer months of the year in Twin Falls and about average for rainfall, so plan for around 26.8°C daytime highs and 10.7°C at night.
Not quite — June is the 10th coolest month in Twin Falls, averaging 18.8°C.
For June in Twin Falls, pack light layers you can adjust through the day, with typical highs of 26.8°C and lows of 10.7°C.
Relative humidity in June averages 43% — relatively dry.
Average wind speed in June is 2.7 m/s. The windiest June on record averaged 3.3 m/s (1981).
The wettest June on record was 2009 with 107 mm. On average, June sees 23 mm.
All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.
Explore how the weather in Twin Falls behaves each June, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for June specifically, along with year-by-year records and how the month has changed over the decades.
