Climate reading
In Minneapolis, the first freeze typically comes October 10, 13 days before the calendar's Frost's Descent begins on October 23. The last freeze is typically over by April 25, and Minneapolis gets 167 days a year without one. Where the calendar and your weather disagree, go by your weather.
| Weather station | MSP Intl, MN |
| Station ID | USW00014922 |
| Days without a freeze, per year | 167 |
| Typical first freeze | October 10 |
| Typical last freeze | April 25 |
| Rain and heat | r = 0.56 (move together) |
| Years averaged | 1991–2020 |
Here the rainy weeks tend to be the warm weeks, as they are where the calendar comes from, so on rain the calendar fits Minneapolis. On a scale from −1 (opposite) to 1 (perfectly together), Minneapolis scores 0.56 and the calendar's home region 0.88.
These four two-week stretches are where the calendar's names or advice sit furthest from Minneapolis's thirty-year record.
The old calendar's three signs for these weeks, one per five days: 鸡乳 · 征鸟厉疾 · 水泽腹坚
The Su Wen, part of the Yellow Emperor's Inner Classic, calls winter the season of closing and storing (閉藏). Go to bed early and get up late, once the sun is up; stay warm without sweating. That keeps you in step with winter. Go against it, the text warns, and the kidneys suffer, showing up in spring as weakness and collapse (痿厥).
| Average, low, high | 16.1°F / 8.4°F / 23.8°F |
| Days with measurable rain | 30.3% |
| Days at or below freezing | 14.6 |
| Daylight | 9h 17m (+22 min from two weeks ago) |
Yang deficiency (running low on the body's warmth) traditionally finds winter hard. Here the average low this stretch is 8.4°F.
The old calendar's three signs for these weeks, one per five days: 雁北乡 · 鹊始巢 · 雉雊
| Average, low, high | 16.1°F / 8.8°F / 23.4°F |
| Days with measurable rain | 31.1% |
| Days at or below freezing | 14.8 |
| Daylight | 8h 55m (+8 min from two weeks ago) |
Blood stasis (blood that doesn't move freely) traditionally finds cold hard. Here the average low this stretch is 8.8°F.
The old calendar's three signs for these weeks, one per five days: 鹖鴠不鸣 · 虎始交 · 荔挺出
| Average, low, high | 22.4°F / 15.6°F / 29.2°F |
| Days with measurable rain | 30.4% |
| Days at or below freezing | 14.4 |
| Daylight | 8h 54m (-22 min from two weeks ago) |
The old calendar's three signs for these weeks, one per five days: 虹藏不见 · 天气上升地气下降 · 闭塞而成冬
| Average, low, high | 28.3°F / 21.5°F / 35.2°F |
| Days with measurable rain | 29.6% |
| Days at or below freezing | 12.0 |
| Daylight | 9h 15m (-33 min from two weeks ago) |
| Two weeks | Begins | Avg °F | Rainy days % | Freezing days | vs. calendar °F | |
|---|---|---|---|---|---|---|
| Minor Cold | 小寒 | 2026-01-05 | 16.1 | 31.1 | 14.8 | -17.0 |
| Major Cold | 大寒 | 2026-01-20 | 16.1 | 30.3 | 14.6 | -17.9 |
| Start of Spring | 立春 | 2026-02-04 | 19.0 | 28.2 | 12.9 | -19.3 |
| Rain Water | 雨水 | 2026-02-18 | 24.7 | 27.7 | 14.2 | -18.1 |
| Awakening of Insects | 惊蛰 | 2026-03-05 | 31.5 | 29.0 | 11.5 | -16.5 |
| Spring Equinox | 春分 | 2026-03-20 | 38.5 | 32.2 | 10.4 | -15.3 |
| Pure Brightness | 清明 | 2026-04-05 | 45.5 | 36.2 | 4.5 | -13.3 |
| Grain Rain | 谷雨 | 2026-04-20 | 52.1 | 38.5 | 3.4 | -12.5 |
| Start of Summer | 立夏 | 2026-05-05 | 58.3 | 39.9 | 0.3 | -9.3 |
| Grain Buds | 小满 | 2026-05-21 | 63.8 | 40.9 | 0.2 | -8.5 |
| Grain in Ear | 芒种 | 2026-06-05 | 69.0 | 39.9 | 0.0 | -7.5 |
| Summer Solstice | 夏至 | 2026-06-21 | 73.0 | 36.5 | 0.0 | -6.0 |
| Minor Heat | 小暑 | 2026-07-07 | 74.6 | 33.7 | 0.0 | -5.5 |
| Major Heat | 大暑 | 2026-07-23 | 73.9 | 32.5 | 0.0 | -7.4 |
| Start of Autumn | 立秋 | 2026-08-07 | 72.1 | 31.7 | 0.0 | -6.2 |
| End of Heat | 处暑 | 2026-08-23 | 69.2 | 30.8 | 0.0 | -5.6 |
| White Dew | 白露 | 2026-09-07 | 64.2 | 31.2 | 0.1 | -4.3 |
| Autumn Equinox | 秋分 | 2026-09-23 | 57.2 | 31.7 | 1.4 | -6.7 |
| Cold Dew | 寒露 | 2026-10-08 | 49.9 | 30.4 | 2.8 | -9.1 |
| Frost's Descent | 霜降 | 2026-10-23 | 42.8 | 28.3 | 5.9 | -10.6 |
| Start of Winter | 立冬 | 2026-11-07 | 35.5 | 28.0 | 10.4 | -11.1 |
| Minor Snow | 小雪 | 2026-11-22 | 28.3 | 29.6 | 12.0 | -12.3 |
| Major Snow | 大雪 | 2026-12-07 | 22.4 | 30.4 | 14.4 | -13.9 |
| Winter Solstice | 冬至 | 2026-12-22 | 18.4 | 30.5 | 13.5 | -15.4 |
The body-type notes follow traditional Chinese medicine as set out in a national standard in China. Tying them to this city's weather is a traditional association, not a finding from modern research. Which type goes with which stretch is our own arrangement: each is matched to the time of year the standard says it finds hard, or, for rain, to the rainiest of the four when it's wetter than Minneapolis's year as a whole. Weather doesn't decide anyone's body type. To find yours, take the assessment.
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Minneapolis has 167 frost-free days a year, more than 1 of the other cities here. That's 16 more than Denver, which has the fewest. It's 198 fewer than San Francisco, which has the most.
Rain falls on 32.5% of days here over a year. Phoenix is the driest of the fourteen at 9.2% and Seattle the wettest at 43.1%, which puts Minneapolis in the middle.
The hottest two weeks here are Minor Heat, with an average high of 83.7°F and rain on 33.7% of days: never especially hot. 9 of the fourteen get hotter at their peak, Phoenix among them.
All fourteen cities side by side
The thirty-year averages are NOAA's official 1991–2020 figures, one station per city, read straight from NOAA's records by our own program. Freezing days for each two-week stretch are estimated from NOAA's monthly counts. Figures for where the calendar comes from are based on weather-station measurements and reanalysis data from the Yellow River valley in northern China, where the calendar's names come from. The seasonal advice comes from the Su Wen, in our own translation.
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