PERIOD OF RECORD: 1929-PRESENT. BELOW LIE THE MOST EXTREME VALUES UR WEATHER LORDS HAVE EVER DELIVERED UN2 HILLSBORO, OR
| MONTH | RECORD HI | RECORD LO |
|---|---|---|
| JANUARY | 69F (1934) | -14F (1930) |
| FEBRUARY | 70F (1968, 1988) | -9F (1950) |
| MARCH | 83F (1930) | 18F (1960) |
| APRIL | 90F (2023, 1957, 1998) | 20F (1933) |
| MAY | 100F (1983) | 26F (1935) |
| JUNE | 114F (2021) | 30F (1934) |
| JULY | 108F (1956, 2006) | 36F (1930) |
| AUGUST | 107F (2023) | 30F (1930) |
| SEPTEMBER | 103F (1988) | 29F (1965, 1934) |
| OCTOBER | 92F (1952, 1987) | 20F (2002, 2006) |
| NOVEMBER | 78F (1959) | 8F (1955) |
| DECEMBER | 64F (1951, 1933, 1950, 1980) | -2F (1972) |
HILLSBORO IS A WEATHER RECORD KEEPING ZONE OF OR. 4 MORE INFORMATION, PLS VISIT THIS WIKIPEDIA ARTICLE Hillsboro